diff --git a/Biotech/Patches/Bodies/Bodies_Mechanoid_Heavy.xml b/Biotech/Patches/Bodies/Bodies_Mechanoid_Heavy.xml
index 9f4582c70a..1350d359fd 100644
--- a/Biotech/Patches/Bodies/Bodies_Mechanoid_Heavy.xml
+++ b/Biotech/Patches/Bodies/Bodies_Mechanoid_Heavy.xml
@@ -35,6 +35,36 @@
 		</nomatch>
 	</Operation>
 
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="Mech_Tunneler"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="Mech_Tunneler"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="Mech_Tunneler"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="Mech_Tunneler"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="Mech_Tunneler"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="Mech_Tunneler"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
 	<Operation Class="PatchOperationConditional">
 		<xpath>Defs/BodyDef[defName="Mech_Tunneler"]/corePart/parts/li[def="MechanicalShoulder"]/groups</xpath>
 		<nomatch Class="PatchOperationAdd">
@@ -108,6 +138,27 @@
 		</value>
 	</Operation>
 
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="Mech_Tunneler"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="Mech_Tunneler"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="Mech_Tunneler"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
 	<Operation Class="PatchOperationAdd">
 		<xpath>Defs/BodyDef[defName="Mech_Tunneler"]/corePart/parts/li[def="MechanicalShoulder"]/groups</xpath>
 		<value>
diff --git a/Biotech/Patches/Bodies/Bodies_Mechanoid_Light.xml b/Biotech/Patches/Bodies/Bodies_Mechanoid_Light.xml
index 40f46197be..3b281d88fa 100644
--- a/Biotech/Patches/Bodies/Bodies_Mechanoid_Light.xml
+++ b/Biotech/Patches/Bodies/Bodies_Mechanoid_Light.xml
@@ -35,6 +35,36 @@
 		</nomatch>
 	</Operation>
 
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="Mech_Light" or defName="Mech_Agrihand"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="Mech_Light" or defName="Mech_Agrihand"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="Mech_Light" or defName="Mech_Agrihand"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="Mech_Light" or defName="Mech_Agrihand"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="Mech_Light" or defName="Mech_Agrihand"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="Mech_Light" or defName="Mech_Agrihand"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
 	<Operation Class="PatchOperationConditional">
 		<xpath>Defs/BodyDef[defName="Mech_Agrihand"]/corePart/parts/li[def="MechanicalShoulder"]/groups</xpath>
 		<nomatch Class="PatchOperationAdd">
@@ -108,6 +138,27 @@
 		</value>
 	</Operation>
 
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="Mech_Light" or defName="Mech_Agrihand"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="Mech_Light" or defName="Mech_Agrihand"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="Mech_Light" or defName="Mech_Agrihand"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
 	<Operation Class="PatchOperationAdd">
 		<xpath>Defs/BodyDef[defName="Mech_Agrihand"]/corePart/parts/li[def="MechanicalShoulder"]/groups</xpath>
 		<value>
diff --git a/Biotech/Patches/Bodies/Bodies_Mechanoid_Medium.xml b/Biotech/Patches/Bodies/Bodies_Mechanoid_Medium.xml
index e14d0d635d..ae3ff1dfed 100644
--- a/Biotech/Patches/Bodies/Bodies_Mechanoid_Medium.xml
+++ b/Biotech/Patches/Bodies/Bodies_Mechanoid_Medium.xml
@@ -35,6 +35,36 @@
 		</nomatch>
 	</Operation>
 
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="Scorcher" or defName="Apocriton"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="Scorcher" or defName="Apocriton"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="Scorcher" or defName="Apocriton"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="Scorcher" or defName="Apocriton"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="Scorcher" or defName="Apocriton"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="Scorcher" or defName="Apocriton"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
 	<Operation Class="PatchOperationConditional">
 		<xpath>Defs/BodyDef[defName="Scorcher" or defName="Apocriton"]/corePart/parts/li[def="MechanicalLeg"]/groups</xpath>
 		<nomatch Class="PatchOperationAdd">
@@ -98,6 +128,27 @@
 		</value>
 	</Operation>
 
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="Scorcher" or defName="Apocriton"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="Scorcher" or defName="Apocriton"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="Scorcher" or defName="Apocriton"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
 	<Operation Class="PatchOperationAdd">
 		<xpath>Defs/BodyDef[defName="Scorcher" or defName="Apocriton"]/corePart/parts/li[def="MechanicalLeg"]/groups</xpath>
 		<value>
diff --git a/Biotech/Patches/Bodies/Mech_Centurion.xml b/Biotech/Patches/Bodies/Mech_Centurion.xml
index 9d9ac67e07..4cae99a1ed 100644
--- a/Biotech/Patches/Bodies/Mech_Centurion.xml
+++ b/Biotech/Patches/Bodies/Mech_Centurion.xml
@@ -35,6 +35,36 @@
 		</nomatch>
 	</Operation>
 
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="Mech_Centurion"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="Mech_Centurion"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="Mech_Centurion"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="Mech_Centurion"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="Mech_Centurion"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="Mech_Centurion"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
 	<Operation Class="PatchOperationConditional">
 		<xpath>Defs/BodyDef[defName="Mech_Centurion"]/corePart/parts/li[def="MechanicalLeg"]/groups</xpath>
 		<nomatch Class="PatchOperationAdd">
@@ -98,6 +128,27 @@
 		</value>
 	</Operation>
 
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="Mech_Centurion"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="Mech_Centurion"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="Mech_Centurion"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
 	<Operation Class="PatchOperationAdd">
 		<xpath>Defs/BodyDef[defName="Mech_Centurion"]/corePart/parts/li[def="MechanicalLeg"]/groups</xpath>
 		<value>
diff --git a/Biotech/Patches/Bodies/Mech_Diabolus.xml b/Biotech/Patches/Bodies/Mech_Diabolus.xml
index d5b47813d2..b903b9b392 100644
--- a/Biotech/Patches/Bodies/Mech_Diabolus.xml
+++ b/Biotech/Patches/Bodies/Mech_Diabolus.xml
@@ -25,6 +25,36 @@
 		</nomatch>
 	</Operation>
 
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="Mech_Diabolus"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="Mech_Diabolus"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="Mech_Diabolus"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="Mech_Diabolus"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="Mech_Diabolus"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="Mech_Diabolus"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
 	<Operation Class="PatchOperationConditional">
 		<xpath>Defs/BodyDef[defName="Mech_Diabolus"]/corePart/parts/li[def="MechanicalDiabolusBodySecondRing"]/groups</xpath>
 		<nomatch Class="PatchOperationAdd">
@@ -101,6 +131,27 @@
 		</value>
 	</Operation>
 
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="Mech_Diabolus"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="Mech_Diabolus"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="Mech_Diabolus"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
 	<Operation Class="PatchOperationAdd">
 		<xpath>Defs/BodyDef[defName="Mech_Diabolus"]/corePart/parts/li[def="MechanicalDiabolusBodySecondRing"]/groups</xpath>
 		<value>
diff --git a/Biotech/Patches/Bodies/Mech_Warqueen.xml b/Biotech/Patches/Bodies/Mech_Warqueen.xml
index 867429d5fc..f718588640 100644
--- a/Biotech/Patches/Bodies/Mech_Warqueen.xml
+++ b/Biotech/Patches/Bodies/Mech_Warqueen.xml
@@ -25,6 +25,36 @@
 		</nomatch>
 	</Operation>
 
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="Mech_Warqueen"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="Mech_Warqueen"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="Mech_Warqueen"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="Mech_Warqueen"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="Mech_Warqueen"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="Mech_Warqueen"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
 	<Operation Class="PatchOperationConditional">
 		<xpath>Defs/BodyDef[defName="Mech_Warqueen"]/corePart/parts/li[def="MechanicalWarqueenBodySecondRing"]/groups</xpath>
 		<nomatch Class="PatchOperationAdd">
@@ -91,6 +121,27 @@
 		</value>
 	</Operation>
 
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="Mech_Warqueen"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="Mech_Warqueen"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="Mech_Warqueen"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
 	<Operation Class="PatchOperationAdd">
 		<xpath>Defs/BodyDef[defName="Mech_Warqueen"]/corePart/parts/li[def="MechanicalWarqueenBodySecondRing"]/groups</xpath>
 		<value>
diff --git a/ModPatches/Alpha Animals/Patches/Alpha Animals/BodyDefs/Bodies_CE_Patch_Arachnid.xml b/ModPatches/Alpha Animals/Patches/Alpha Animals/BodyDefs/Bodies_CE_Patch_Arachnid.xml
index 1f10035526..b9cf5aca7a 100644
--- a/ModPatches/Alpha Animals/Patches/Alpha Animals/BodyDefs/Bodies_CE_Patch_Arachnid.xml	
+++ b/ModPatches/Alpha Animals/Patches/Alpha Animals/BodyDefs/Bodies_CE_Patch_Arachnid.xml	
@@ -91,4 +91,52 @@
 			</value>
 		</match>
 	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="AA_Arachnid"]/corePart/parts/li[customLabel="left second leg"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AA_Arachnid"]/corePart/parts/li[customLabel="left second leg"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="AA_Arachnid"]/corePart/parts/li[customLabel="right second leg"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AA_Arachnid"]/corePart/parts/li[customLabel="right second leg"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="AA_Arachnid"]/corePart/parts/li[customLabel="left third leg"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AA_Arachnid"]/corePart/parts/li[customLabel="left third leg"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="AA_Arachnid"]/corePart/parts/li[customLabel="right third leg"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AA_Arachnid"]/corePart/parts/li[customLabel="right third leg"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="AA_Arachnid"]/corePart/parts/li[def="InsectLeg"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
 </Patch>
\ No newline at end of file
diff --git a/ModPatches/Alpha Animals/Patches/Alpha Animals/BodyDefs/Bodies_CE_Patch_ScorpionLike.xml b/ModPatches/Alpha Animals/Patches/Alpha Animals/BodyDefs/Bodies_CE_Patch_ScorpionLike.xml
index 8ca2debbb4..bd17a093e8 100644
--- a/ModPatches/Alpha Animals/Patches/Alpha Animals/BodyDefs/Bodies_CE_Patch_ScorpionLike.xml	
+++ b/ModPatches/Alpha Animals/Patches/Alpha Animals/BodyDefs/Bodies_CE_Patch_ScorpionLike.xml	
@@ -92,6 +92,20 @@
 		</match>
 	</Operation>
 
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="AA_ScorpionLike"]//*[def="InsectLeg"]</xpath>
+		<value>
+			<groups />
+		</value>
+	</Operation>
+
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="AA_ScorpionLike"]//*[def="InsectLeg" or def="AA_LeftPincer" or def="AA_RightPincer"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
 	<Operation Class="PatchOperationConditional">
 		<xpath>Defs/BodyDef[defName="AA_ScorpionLike"]/corePart/parts/li[def="AA_InsectTail"]/groups</xpath>
 		<nomatch Class="PatchOperationAdd">
diff --git a/ModPatches/Alpha Animals/Patches/Alpha Animals/BodyDefs/Bodies_CE_Patch_Slurrypede.xml b/ModPatches/Alpha Animals/Patches/Alpha Animals/BodyDefs/Bodies_CE_Patch_Slurrypede.xml
index 99ddf9c9cf..aaefd402db 100644
--- a/ModPatches/Alpha Animals/Patches/Alpha Animals/BodyDefs/Bodies_CE_Patch_Slurrypede.xml	
+++ b/ModPatches/Alpha Animals/Patches/Alpha Animals/BodyDefs/Bodies_CE_Patch_Slurrypede.xml	
@@ -38,6 +38,60 @@
 		</match>
 	</Operation>
 
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="AA_SlurrypedeBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AA_SlurrypedeBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]</xpath>
+			<value>
+				<groups>
+					<li>CoveredByNaturalArmor</li>
+				</groups>
+			</value>
+		</nomatch>
+		<match Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AA_SlurrypedeBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+			<value>
+				<li>CoveredByNaturalArmor</li>
+			</value>
+		</match>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="AA_SlurrypedeBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AA_SlurrypedeBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]</xpath>
+			<value>
+				<groups>
+					<li>CoveredByNaturalArmor</li>
+				</groups>
+			</value>
+		</nomatch>
+		<match Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AA_SlurrypedeBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+			<value>
+				<li>CoveredByNaturalArmor</li>
+			</value>
+		</match>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="AA_SlurrypedeBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AA_SlurrypedeBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]</xpath>
+			<value>
+				<groups>
+					<li>CoveredByNaturalArmor</li>
+				</groups>
+			</value>
+		</nomatch>
+		<match Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AA_SlurrypedeBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+			<value>
+				<li>CoveredByNaturalArmor</li>
+			</value>
+		</match>
+	</Operation>
+
 	<Operation Class="PatchOperationConditional">
 		<xpath>Defs/BodyDef[defName="AA_SlurrypedeBody"]/corePart/parts/li[def="MechanicalCentipedeBodySecondRing"]/groups</xpath>
 		<nomatch Class="PatchOperationAdd">
diff --git a/ModPatches/Alpha Animals/Patches/Alpha Animals/ThingDefs_Races/AlphaAnimals_CE_Patch_Race_Slurrypede.xml b/ModPatches/Alpha Animals/Patches/Alpha Animals/ThingDefs_Races/AlphaAnimals_CE_Patch_Race_Slurrypede.xml
index 49b6b779d3..e6172a7324 100644
--- a/ModPatches/Alpha Animals/Patches/Alpha Animals/ThingDefs_Races/AlphaAnimals_CE_Patch_Race_Slurrypede.xml	
+++ b/ModPatches/Alpha Animals/Patches/Alpha Animals/ThingDefs_Races/AlphaAnimals_CE_Patch_Race_Slurrypede.xml	
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Patch>
+
 	<Operation Class="PatchOperationAddModExtension">
 		<xpath>Defs/ThingDef[defName="AA_Slurrypede"]</xpath>
 		<value>
@@ -50,6 +51,32 @@
 		</value>
 	</Operation>
 
+	<Operation Class="PatchOperationAddModExtension">
+		<xpath>Defs/ThingDef[defName="AA_Slurrypede"]</xpath>
+		<value>
+			<li Class="CombatExtended.PartialArmorExt">
+				<stats>
+					<li>
+						<ArmorRating_Sharp>0.25</ArmorRating_Sharp>
+						<parts>
+							<li>SightSensor</li>
+							<li>HearingSensor</li>
+							<li>SmellSensor</li>
+						</parts>
+					</li>
+					<li>
+						<ArmorRating_Blunt>0.25</ArmorRating_Blunt>
+						<parts>
+							<li>SightSensor</li>
+							<li>HearingSensor</li>
+							<li>SmellSensor</li>
+						</parts>
+					</li>
+				</stats>
+			</li>
+		</value>
+	</Operation>
+
 	<Operation Class="PatchOperationConditional">
 		<xpath>Defs/ThingDef[defName="AA_Slurrypede"]/comps</xpath>
 		<nomatch Class="PatchOperationAdd">
@@ -81,4 +108,5 @@
 			</li>
 		</value>
 	</Operation>
+
 </Patch>
\ No newline at end of file
diff --git a/ModPatches/Alpha Mechs/Patches/Alpha Mechs/BodyDefs/Bodies_Apocriton.xml b/ModPatches/Alpha Mechs/Patches/Alpha Mechs/BodyDefs/Bodies_Apocriton.xml
index e18bf8469b..fd5861ecd8 100644
--- a/ModPatches/Alpha Mechs/Patches/Alpha Mechs/BodyDefs/Bodies_Apocriton.xml	
+++ b/ModPatches/Alpha Mechs/Patches/Alpha Mechs/BodyDefs/Bodies_Apocriton.xml	
@@ -57,6 +57,60 @@
 		</match>
 	</Operation>
 
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="AM_ApocritonWinged"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_ApocritonWinged"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]</xpath>
+			<value>
+				<groups>
+					<li>CoveredByNaturalArmor</li>
+				</groups>
+			</value>
+		</nomatch>
+		<match Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_ApocritonWinged"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+			<value>
+				<li>CoveredByNaturalArmor</li>
+			</value>
+		</match>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="AM_ApocritonWinged"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_ApocritonWinged"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]</xpath>
+			<value>
+				<groups>
+					<li>CoveredByNaturalArmor</li>
+				</groups>
+			</value>
+		</nomatch>
+		<match Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_ApocritonWinged"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+			<value>
+				<li>CoveredByNaturalArmor</li>
+			</value>
+		</match>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="AM_ApocritonWinged"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_ApocritonWinged"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]</xpath>
+			<value>
+				<groups>
+					<li>CoveredByNaturalArmor</li>
+				</groups>
+			</value>
+		</nomatch>
+		<match Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_ApocritonWinged"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+			<value>
+				<li>CoveredByNaturalArmor</li>
+			</value>
+		</match>
+	</Operation>
+
 	<Operation Class="PatchOperationConditional">
 		<xpath>Defs/BodyDef[defName="AM_ApocritonWinged"]/corePart/parts/li[def="MechanicalLeg"]/groups</xpath>
 		<nomatch Class="PatchOperationAdd">
diff --git a/ModPatches/Alpha Mechs/Patches/Alpha Mechs/BodyDefs/Bodies_Aura.xml b/ModPatches/Alpha Mechs/Patches/Alpha Mechs/BodyDefs/Bodies_Aura.xml
index fcc3cc8231..834f09a783 100644
--- a/ModPatches/Alpha Mechs/Patches/Alpha Mechs/BodyDefs/Bodies_Aura.xml	
+++ b/ModPatches/Alpha Mechs/Patches/Alpha Mechs/BodyDefs/Bodies_Aura.xml	
@@ -57,6 +57,60 @@
 		</match>
 	</Operation>
 
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="AM_AuraBody"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_AuraBody"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]</xpath>
+			<value>
+				<groups>
+					<li>CoveredByNaturalArmor</li>
+				</groups>
+			</value>
+		</nomatch>
+		<match Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_AuraBody"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+			<value>
+				<li>CoveredByNaturalArmor</li>
+			</value>
+		</match>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="AM_AuraBody"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_AuraBody"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]</xpath>
+			<value>
+				<groups>
+					<li>CoveredByNaturalArmor</li>
+				</groups>
+			</value>
+		</nomatch>
+		<match Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_AuraBody"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+			<value>
+				<li>CoveredByNaturalArmor</li>
+			</value>
+		</match>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="AM_AuraBody"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_AuraBody"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]</xpath>
+			<value>
+				<groups>
+					<li>CoveredByNaturalArmor</li>
+				</groups>
+			</value>
+		</nomatch>
+		<match Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_AuraBody"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+			<value>
+				<li>CoveredByNaturalArmor</li>
+			</value>
+		</match>
+	</Operation>
+
 	<Operation Class="PatchOperationConditional">
 		<xpath>Defs/BodyDef[defName="AM_AuraBody"]/corePart/parts/li[def="MechanicalShoulder"]/groups</xpath>
 		<nomatch Class="PatchOperationAdd">
diff --git a/ModPatches/Alpha Mechs/Patches/Alpha Mechs/BodyDefs/Bodies_Daggersnout.xml b/ModPatches/Alpha Mechs/Patches/Alpha Mechs/BodyDefs/Bodies_Daggersnout.xml
index 51edf670a0..bf6726229a 100644
--- a/ModPatches/Alpha Mechs/Patches/Alpha Mechs/BodyDefs/Bodies_Daggersnout.xml	
+++ b/ModPatches/Alpha Mechs/Patches/Alpha Mechs/BodyDefs/Bodies_Daggersnout.xml	
@@ -57,6 +57,60 @@
 		</match>
 	</Operation>
 
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="AM_DaggerSnoutBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_DaggerSnoutBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]</xpath>
+			<value>
+				<groups>
+					<li>CoveredByNaturalArmor</li>
+				</groups>
+			</value>
+		</nomatch>
+		<match Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_DaggerSnoutBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+			<value>
+				<li>CoveredByNaturalArmor</li>
+			</value>
+		</match>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="AM_DaggerSnoutBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_DaggerSnoutBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]</xpath>
+			<value>
+				<groups>
+					<li>CoveredByNaturalArmor</li>
+				</groups>
+			</value>
+		</nomatch>
+		<match Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_DaggerSnoutBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+			<value>
+				<li>CoveredByNaturalArmor</li>
+			</value>
+		</match>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="AM_DaggerSnoutBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_DaggerSnoutBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]</xpath>
+			<value>
+				<groups>
+					<li>CoveredByNaturalArmor</li>
+				</groups>
+			</value>
+		</nomatch>
+		<match Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_DaggerSnoutBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+			<value>
+				<li>CoveredByNaturalArmor</li>
+			</value>
+		</match>
+	</Operation>
+
 	<Operation Class="PatchOperationConditional">
 		<xpath>Defs/BodyDef[defName="AM_DaggerSnoutBody"]/corePart/parts/li[def="AM_TankPlateThird"]/groups</xpath>
 		<nomatch Class="PatchOperationAdd">
diff --git a/ModPatches/Alpha Mechs/Patches/Alpha Mechs/BodyDefs/Bodies_Demolisher.xml b/ModPatches/Alpha Mechs/Patches/Alpha Mechs/BodyDefs/Bodies_Demolisher.xml
index b7d2bea835..5843242377 100644
--- a/ModPatches/Alpha Mechs/Patches/Alpha Mechs/BodyDefs/Bodies_Demolisher.xml	
+++ b/ModPatches/Alpha Mechs/Patches/Alpha Mechs/BodyDefs/Bodies_Demolisher.xml	
@@ -39,6 +39,60 @@
 		</match>
 	</Operation>
 
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="AM_DemolisherBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_DemolisherBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]</xpath>
+			<value>
+				<groups>
+					<li>CoveredByNaturalArmor</li>
+				</groups>
+			</value>
+		</nomatch>
+		<match Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_DemolisherBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+			<value>
+				<li>CoveredByNaturalArmor</li>
+			</value>
+		</match>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="AM_DemolisherBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_DemolisherBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]</xpath>
+			<value>
+				<groups>
+					<li>CoveredByNaturalArmor</li>
+				</groups>
+			</value>
+		</nomatch>
+		<match Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_DemolisherBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+			<value>
+				<li>CoveredByNaturalArmor</li>
+			</value>
+		</match>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="AM_DemolisherBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_DemolisherBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]</xpath>
+			<value>
+				<groups>
+					<li>CoveredByNaturalArmor</li>
+				</groups>
+			</value>
+		</nomatch>
+		<match Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_DemolisherBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+			<value>
+				<li>CoveredByNaturalArmor</li>
+			</value>
+		</match>
+	</Operation>
+
 	<Operation Class="PatchOperationConditional">
 		<xpath>Defs/BodyDef[defName="AM_DemolisherBody"]/corePart/parts/li[def="AM_TankPlateThird"]/groups</xpath>
 		<nomatch Class="PatchOperationAdd">
diff --git a/ModPatches/Alpha Mechs/Patches/Alpha Mechs/BodyDefs/Bodies_Siegebreaker.xml b/ModPatches/Alpha Mechs/Patches/Alpha Mechs/BodyDefs/Bodies_Siegebreaker.xml
index 6bc200e517..0c4a3d6098 100644
--- a/ModPatches/Alpha Mechs/Patches/Alpha Mechs/BodyDefs/Bodies_Siegebreaker.xml	
+++ b/ModPatches/Alpha Mechs/Patches/Alpha Mechs/BodyDefs/Bodies_Siegebreaker.xml	
@@ -39,6 +39,60 @@
 		</match>
 	</Operation>
 
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="AM_SiegebreakerBody"]/corePart/parts/li[def="AM_TankTurret"]/parts/li[def="SightSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_SiegebreakerBody"]/corePart/parts/li[def="AM_TankTurret"]/parts/li[def="SightSensor"]</xpath>
+			<value>
+				<groups>
+					<li>CoveredByNaturalArmor</li>
+				</groups>
+			</value>
+		</nomatch>
+		<match Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_SiegebreakerBody"]/corePart/parts/li[def="AM_TankTurret"]/parts/li[def="SightSensor"]/groups</xpath>
+			<value>
+				<li>CoveredByNaturalArmor</li>
+			</value>
+		</match>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="AM_SiegebreakerBody"]/corePart/parts/li[def="AM_TankTurret"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_SiegebreakerBody"]/corePart/parts/li[def="AM_TankTurret"]/parts/li[def="HearingSensor"]</xpath>
+			<value>
+				<groups>
+					<li>CoveredByNaturalArmor</li>
+				</groups>
+			</value>
+		</nomatch>
+		<match Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_SiegebreakerBody"]/corePart/parts/li[def="AM_TankTurret"]/parts/li[def="HearingSensor"]/groups</xpath>
+			<value>
+				<li>CoveredByNaturalArmor</li>
+			</value>
+		</match>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="AM_SiegebreakerBody"]/corePart/parts/li[def="AM_TankTurret"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_SiegebreakerBody"]/corePart/parts/li[def="AM_TankTurret"]/parts/li[def="SmellSensor"]</xpath>
+			<value>
+				<groups>
+					<li>CoveredByNaturalArmor</li>
+				</groups>
+			</value>
+		</nomatch>
+		<match Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="AM_SiegebreakerBody"]/corePart/parts/li[def="AM_TankTurret"]/parts/li[def="SmellSensor"]/groups</xpath>
+			<value>
+				<li>CoveredByNaturalArmor</li>
+			</value>
+		</match>
+	</Operation>
+
 	<Operation Class="PatchOperationConditional">
 		<xpath>Defs/BodyDef[defName="AM_SiegebreakerBody"]/corePart/parts/li[def="AM_TankPlateSecond"]/groups</xpath>
 		<nomatch Class="PatchOperationAdd">
diff --git a/ModPatches/Alpha Mechs/Patches/Alpha Mechs/Mods/Biotech/Bodies/Bodies_Assembler.xml b/ModPatches/Alpha Mechs/Patches/Alpha Mechs/Mods/Biotech/Bodies/Bodies_Assembler.xml
index 535821497d..39c704c5ee 100644
--- a/ModPatches/Alpha Mechs/Patches/Alpha Mechs/Mods/Biotech/Bodies/Bodies_Assembler.xml	
+++ b/ModPatches/Alpha Mechs/Patches/Alpha Mechs/Mods/Biotech/Bodies/Bodies_Assembler.xml	
@@ -45,6 +45,60 @@
 					</match>
 				</li>
 
+				<li Class="PatchOperationConditional">
+					<xpath>Defs/BodyDef[defName="AM_Assembler"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+					<nomatch Class="PatchOperationAdd">
+						<xpath>Defs/BodyDef[defName="AM_Assembler"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]</xpath>
+						<value>
+							<groups>
+								<li>CoveredByNaturalArmor</li>
+							</groups>
+						</value>
+					</nomatch>
+					<match Class="PatchOperationAdd">
+						<xpath>Defs/BodyDef[defName="AM_Assembler"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+						<value>
+							<li>CoveredByNaturalArmor</li>
+						</value>
+					</match>
+				</li>
+
+				<li Class="PatchOperationConditional">
+					<xpath>Defs/BodyDef[defName="AM_Assembler"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+					<nomatch Class="PatchOperationAdd">
+						<xpath>Defs/BodyDef[defName="AM_Assembler"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]</xpath>
+						<value>
+							<groups>
+								<li>CoveredByNaturalArmor</li>
+							</groups>
+						</value>
+					</nomatch>
+					<match Class="PatchOperationAdd">
+						<xpath>Defs/BodyDef[defName="AM_Assembler"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+						<value>
+							<li>CoveredByNaturalArmor</li>
+						</value>
+					</match>
+				</li>
+
+				<li Class="PatchOperationConditional">
+					<xpath>Defs/BodyDef[defName="AM_Assembler"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+					<nomatch Class="PatchOperationAdd">
+						<xpath>Defs/BodyDef[defName="AM_Assembler"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]</xpath>
+						<value>
+							<groups>
+								<li>CoveredByNaturalArmor</li>
+							</groups>
+						</value>
+					</nomatch>
+					<match Class="PatchOperationAdd">
+						<xpath>Defs/BodyDef[defName="AM_Assembler"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+						<value>
+							<li>CoveredByNaturalArmor</li>
+						</value>
+					</match>
+				</li>
+
 				<li Class="PatchOperationConditional">
 					<xpath>Defs/BodyDef[defName="AM_Assembler"]/corePart/parts/li[def="AM_MechanicalBodyCarapace"]/groups</xpath>
 					<nomatch Class="PatchOperationAdd">
diff --git a/ModPatches/Alpha Mechs/Patches/Alpha Mechs/Mods/Biotech/Bodies/Bodies_Guttersnipe.xml b/ModPatches/Alpha Mechs/Patches/Alpha Mechs/Mods/Biotech/Bodies/Bodies_Guttersnipe.xml
index 973131eea4..3b7a2300ab 100644
--- a/ModPatches/Alpha Mechs/Patches/Alpha Mechs/Mods/Biotech/Bodies/Bodies_Guttersnipe.xml	
+++ b/ModPatches/Alpha Mechs/Patches/Alpha Mechs/Mods/Biotech/Bodies/Bodies_Guttersnipe.xml	
@@ -63,6 +63,60 @@
 					</match>
 				</li>
 
+				<li Class="PatchOperationConditional">
+					<xpath>Defs/BodyDef[defName="AM_Mech_Guttersnipe"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+					<nomatch Class="PatchOperationAdd">
+						<xpath>Defs/BodyDef[defName="AM_Mech_Guttersnipe"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]</xpath>
+						<value>
+							<groups>
+								<li>CoveredByNaturalArmor</li>
+							</groups>
+						</value>
+					</nomatch>
+					<match Class="PatchOperationAdd">
+						<xpath>Defs/BodyDef[defName="AM_Mech_Guttersnipe"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+						<value>
+							<li>CoveredByNaturalArmor</li>
+						</value>
+					</match>
+				</li>
+
+				<li Class="PatchOperationConditional">
+					<xpath>Defs/BodyDef[defName="AM_Mech_Guttersnipe"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+					<nomatch Class="PatchOperationAdd">
+						<xpath>Defs/BodyDef[defName="AM_Mech_Guttersnipe"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]</xpath>
+						<value>
+							<groups>
+								<li>CoveredByNaturalArmor</li>
+							</groups>
+						</value>
+					</nomatch>
+					<match Class="PatchOperationAdd">
+						<xpath>Defs/BodyDef[defName="AM_Mech_Guttersnipe"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+						<value>
+							<li>CoveredByNaturalArmor</li>
+						</value>
+					</match>
+				</li>
+
+				<li Class="PatchOperationConditional">
+					<xpath>Defs/BodyDef[defName="AM_Mech_Guttersnipe"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+					<nomatch Class="PatchOperationAdd">
+						<xpath>Defs/BodyDef[defName="AM_Mech_Guttersnipe"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]</xpath>
+						<value>
+							<groups>
+								<li>CoveredByNaturalArmor</li>
+							</groups>
+						</value>
+					</nomatch>
+					<match Class="PatchOperationAdd">
+						<xpath>Defs/BodyDef[defName="AM_Mech_Guttersnipe"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+						<value>
+							<li>CoveredByNaturalArmor</li>
+						</value>
+					</match>
+				</li>
+
 				<li Class="PatchOperationConditional">
 					<xpath>Defs/BodyDef[defName="AM_Mech_Guttersnipe"]/corePart/parts/li[def="AM_CircularSaw"]/groups</xpath>
 					<nomatch Class="PatchOperationAdd">
diff --git a/ModPatches/Alpha Mechs/Patches/Alpha Mechs/Mods/Biotech/Bodies/Bodies_Slurrypede.xml b/ModPatches/Alpha Mechs/Patches/Alpha Mechs/Mods/Biotech/Bodies/Bodies_Slurrypede.xml
index 78ab537b57..9d69bf2bf3 100644
--- a/ModPatches/Alpha Mechs/Patches/Alpha Mechs/Mods/Biotech/Bodies/Bodies_Slurrypede.xml	
+++ b/ModPatches/Alpha Mechs/Patches/Alpha Mechs/Mods/Biotech/Bodies/Bodies_Slurrypede.xml	
@@ -45,6 +45,60 @@
 					</match>
 				</li>
 
+				<li Class="PatchOperationConditional">
+					<xpath>Defs/BodyDef[defName="AM_SlurrypedeBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+					<nomatch Class="PatchOperationAdd">
+						<xpath>Defs/BodyDef[defName="AM_SlurrypedeBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]</xpath>
+						<value>
+							<groups>
+								<li>CoveredByNaturalArmor</li>
+							</groups>
+						</value>
+					</nomatch>
+					<match Class="PatchOperationAdd">
+						<xpath>Defs/BodyDef[defName="AM_SlurrypedeBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+						<value>
+							<li>CoveredByNaturalArmor</li>
+						</value>
+					</match>
+				</li>
+
+				<li Class="PatchOperationConditional">
+					<xpath>Defs/BodyDef[defName="AM_SlurrypedeBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+					<nomatch Class="PatchOperationAdd">
+						<xpath>Defs/BodyDef[defName="AM_SlurrypedeBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]</xpath>
+						<value>
+							<groups>
+								<li>CoveredByNaturalArmor</li>
+							</groups>
+						</value>
+					</nomatch>
+					<match Class="PatchOperationAdd">
+						<xpath>Defs/BodyDef[defName="AM_SlurrypedeBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+						<value>
+							<li>CoveredByNaturalArmor</li>
+						</value>
+					</match>
+				</li>
+
+				<li Class="PatchOperationConditional">
+					<xpath>Defs/BodyDef[defName="AM_SlurrypedeBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+					<nomatch Class="PatchOperationAdd">
+						<xpath>Defs/BodyDef[defName="AM_SlurrypedeBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]</xpath>
+						<value>
+							<groups>
+								<li>CoveredByNaturalArmor</li>
+							</groups>
+						</value>
+					</nomatch>
+					<match Class="PatchOperationAdd">
+						<xpath>Defs/BodyDef[defName="AM_SlurrypedeBody"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+						<value>
+							<li>CoveredByNaturalArmor</li>
+						</value>
+					</match>
+				</li>
+
 				<li Class="PatchOperationConditional">
 					<xpath>Defs/BodyDef[defName="AM_SlurrypedeBody"]/corePart/parts/li[def="MechanicalCentipedeBodySecondRing"]/groups</xpath>
 					<nomatch Class="PatchOperationAdd">
diff --git a/ModPatches/Alpha Mechs/Patches/Alpha Mechs/Mods/Biotech/Bodies/Bodies_WarEmpress.xml b/ModPatches/Alpha Mechs/Patches/Alpha Mechs/Mods/Biotech/Bodies/Bodies_WarEmpress.xml
index 93a3f6ab7a..42af4fe4a2 100644
--- a/ModPatches/Alpha Mechs/Patches/Alpha Mechs/Mods/Biotech/Bodies/Bodies_WarEmpress.xml	
+++ b/ModPatches/Alpha Mechs/Patches/Alpha Mechs/Mods/Biotech/Bodies/Bodies_WarEmpress.xml	
@@ -45,6 +45,60 @@
 					</match>
 				</li>
 
+				<li Class="PatchOperationConditional">
+					<xpath>Defs/BodyDef[defName="AM_Mech_WarEmpress"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+					<nomatch Class="PatchOperationAdd">
+						<xpath>Defs/BodyDef[defName="AM_Mech_WarEmpress"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]</xpath>
+						<value>
+							<groups>
+								<li>CoveredByNaturalArmor</li>
+							</groups>
+						</value>
+					</nomatch>
+					<match Class="PatchOperationAdd">
+						<xpath>Defs/BodyDef[defName="AM_Mech_WarEmpress"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+						<value>
+							<li>CoveredByNaturalArmor</li>
+						</value>
+					</match>
+				</li>
+
+				<li Class="PatchOperationConditional">
+					<xpath>Defs/BodyDef[defName="AM_Mech_WarEmpress"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+					<nomatch Class="PatchOperationAdd">
+						<xpath>Defs/BodyDef[defName="AM_Mech_WarEmpress"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]</xpath>
+						<value>
+							<groups>
+								<li>CoveredByNaturalArmor</li>
+							</groups>
+						</value>
+					</nomatch>
+					<match Class="PatchOperationAdd">
+						<xpath>Defs/BodyDef[defName="AM_Mech_WarEmpress"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+						<value>
+							<li>CoveredByNaturalArmor</li>
+						</value>
+					</match>
+				</li>
+
+				<li Class="PatchOperationConditional">
+					<xpath>Defs/BodyDef[defName="AM_Mech_WarEmpress"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+					<nomatch Class="PatchOperationAdd">
+						<xpath>Defs/BodyDef[defName="AM_Mech_WarEmpress"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]</xpath>
+						<value>
+							<groups>
+								<li>CoveredByNaturalArmor</li>
+							</groups>
+						</value>
+					</nomatch>
+					<match Class="PatchOperationAdd">
+						<xpath>Defs/BodyDef[defName="AM_Mech_WarEmpress"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+						<value>
+							<li>CoveredByNaturalArmor</li>
+						</value>
+					</match>
+				</li>
+
 				<li Class="PatchOperationConditional">
 					<xpath>Defs/BodyDef[defName="AM_Mech_WarEmpress"]/corePart/parts/li[def="MechanicalWarqueenBodySecondRing"]/groups</xpath>
 					<nomatch Class="PatchOperationAdd">
diff --git a/ModPatches/Vanilla Factions Expanded - Insectoids 2/Patches/Bodies/Bodies_ClawedInsectoid.xml b/ModPatches/Vanilla Factions Expanded - Insectoids 2/Patches/Bodies/Bodies_ClawedInsectoid.xml
index c0cf3c0d4c..042bd9d28a 100644
--- a/ModPatches/Vanilla Factions Expanded - Insectoids 2/Patches/Bodies/Bodies_ClawedInsectoid.xml	
+++ b/ModPatches/Vanilla Factions Expanded - Insectoids 2/Patches/Bodies/Bodies_ClawedInsectoid.xml	
@@ -6,7 +6,8 @@
 			Defs/BodyDef[defName="VFEI2_ClawedInsectoid"]//*[
 			def="Shell" or
 			def="Elytra" or
-			def="Pronotum"]
+			def="Pronotum" or
+			def="InsectLeg"]
 		</xpath>
 		<value>
 			<groups />
@@ -20,7 +21,8 @@
 			def="Elytra" or
 			def="Pronotum" or
 			def="InsectHead" or
-			def="InsectMouth"]/groups
+			def="InsectMouth" or
+			def="InsectLeg"]/groups
 		</xpath>
 		<value>
 			<li>CoveredByNaturalArmor</li>
diff --git a/Patches/Core/Bodies/Bodies_Animal_Insect/Beetlelike.xml b/Patches/Core/Bodies/Bodies_Animal_Insect/Beetlelike.xml
index 4a8b270434..71f47b3839 100644
--- a/Patches/Core/Bodies/Bodies_Animal_Insect/Beetlelike.xml
+++ b/Patches/Core/Bodies/Bodies_Animal_Insect/Beetlelike.xml
@@ -70,6 +70,23 @@
 		</value>
 	</Operation>
 
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="BeetleLike"]/corePart/parts/li[def="InsectLeg"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="BeetleLike"]/corePart/parts/li[def="InsectLeg"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="BeetleLike"]/corePart/parts/li[def="InsectLeg"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
 	<!-- ==================== BeetleLikeWithClaw ==================== -->
 
 	<Operation Class="PatchOperationConditional">
@@ -137,4 +154,21 @@
 		</value>
 	</Operation>
 
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="BeetleLikeWithClaw"]/corePart/parts/li[def="InsectLeg"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="BeetleLikeWithClaw"]/corePart/parts/li[def="InsectLeg"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="BeetleLikeWithClaw"]/corePart/parts/li[def="InsectLeg"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
 </Patch>
\ No newline at end of file
diff --git a/Patches/Core/Bodies/Bodies_Mechanoid/MechanicalCentipede.xml b/Patches/Core/Bodies/Bodies_Mechanoid/MechanicalCentipede.xml
index 34fba7ce74..1578f2e6bc 100644
--- a/Patches/Core/Bodies/Bodies_Mechanoid/MechanicalCentipede.xml
+++ b/Patches/Core/Bodies/Bodies_Mechanoid/MechanicalCentipede.xml
@@ -25,6 +25,36 @@
 		</nomatch>
 	</Operation>
 
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="MechanicalCentipede"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="MechanicalCentipede"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="MechanicalCentipede"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="MechanicalCentipede"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="MechanicalCentipede"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="MechanicalCentipede"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
 	<Operation Class="PatchOperationConditional">
 		<xpath>Defs/BodyDef[defName="MechanicalCentipede"]/corePart/parts/li[def="MechanicalCentipedeBodySecondRing"]/groups</xpath>
 		<nomatch Class="PatchOperationAdd">
@@ -91,6 +121,27 @@
 		</value>
 	</Operation>
 
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="MechanicalCentipede"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="MechanicalCentipede"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="MechanicalCentipede"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
 	<Operation Class="PatchOperationAdd">
 		<xpath>Defs/BodyDef[defName="MechanicalCentipede"]/corePart/parts/li[def="MechanicalCentipedeBodySecondRing"]/groups</xpath>
 		<value>
diff --git a/Patches/Core/Bodies/Bodies_Mechanoid/MechanicalTermite.xml b/Patches/Core/Bodies/Bodies_Mechanoid/MechanicalTermite.xml
index 1512bf1823..f3f660bba4 100644
--- a/Patches/Core/Bodies/Bodies_Mechanoid/MechanicalTermite.xml
+++ b/Patches/Core/Bodies/Bodies_Mechanoid/MechanicalTermite.xml
@@ -25,6 +25,65 @@
 		</nomatch>
 	</Operation>
 
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="MechanicalTermite"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="MechanicalTermite"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="MechanicalTermite"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="MechanicalTermite"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="MechanicalTermite"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="MechanicalTermite"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="MechanicalTermite"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="MechanicalTermite"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="MechanicalTermite"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="MechanicalTermite"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="MechanicalTermite"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="MechanicalTermite"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
 	<Operation Class="PatchOperationConditional">
 		<xpath>Defs/BodyDef[defName="MechanicalTermite"]/corePart/parts/li[def="MechanicalTermiteBodySecondRing"]/groups</xpath>
 		<nomatch Class="PatchOperationAdd">
@@ -61,6 +120,27 @@
 		</value>
 	</Operation>
 
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="MechanicalTermite"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="MechanicalTermite"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="MechanicalTermite"]/corePart/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
 	<Operation Class="PatchOperationAdd">
 		<xpath>Defs/BodyDef[defName="MechanicalTermite"]/corePart/parts/li[def="MechanicalTermiteBodySecondRing"]/groups</xpath>
 		<value>
diff --git a/Patches/Core/Bodies/Bodies_Mechanoid/Pikeman.xml b/Patches/Core/Bodies/Bodies_Mechanoid/Pikeman.xml
index 186d05cf90..d18cba4a42 100644
--- a/Patches/Core/Bodies/Bodies_Mechanoid/Pikeman.xml
+++ b/Patches/Core/Bodies/Bodies_Mechanoid/Pikeman.xml
@@ -35,6 +35,36 @@
 		</nomatch>
 	</Operation>
 
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="Pikeman"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="Pikeman"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="Pikeman"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="Pikeman"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="Pikeman"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="Pikeman"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
 	<Operation Class="PatchOperationConditional">
 		<xpath>Defs/BodyDef[defName="Pikeman"]/corePart/parts/li[def="MechanicalLeg"]/groups</xpath>
 		<nomatch Class="PatchOperationAdd">
@@ -98,6 +128,27 @@
 		</value>
 	</Operation>
 
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="Pikeman"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="Pikeman"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="Pikeman"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
 	<Operation Class="PatchOperationAdd">
 		<xpath>Defs/BodyDef[defName="Pikeman"]/corePart/parts/li[def="MechanicalLeg"]/groups</xpath>
 		<value>
diff --git a/Patches/Core/Bodies/Bodies_Mechanoid/Scyther.xml b/Patches/Core/Bodies/Bodies_Mechanoid/Scyther.xml
index a576473191..9e2e7bc21f 100644
--- a/Patches/Core/Bodies/Bodies_Mechanoid/Scyther.xml
+++ b/Patches/Core/Bodies/Bodies_Mechanoid/Scyther.xml
@@ -35,6 +35,36 @@
 		</nomatch>
 	</Operation>
 
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="Scyther" or defName="Lancer"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="Scyther" or defName="Lancer"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="Scyther" or defName="Lancer"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="Scyther" or defName="Lancer"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
+	<Operation Class="PatchOperationConditional">
+		<xpath>Defs/BodyDef[defName="Scyther" or defName="Lancer"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<nomatch Class="PatchOperationAdd">
+			<xpath>Defs/BodyDef[defName="Scyther" or defName="Lancer"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]</xpath>
+			<value>
+				<groups />
+			</value>
+		</nomatch>
+	</Operation>
+
 	<Operation Class="PatchOperationConditional">
 		<xpath>Defs/BodyDef[defName="Scyther" or defName="Lancer"]/corePart/parts/li[def="MechanicalShoulder"]/groups</xpath>
 		<nomatch Class="PatchOperationAdd">
@@ -108,6 +138,27 @@
 		</value>
 	</Operation>
 
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="Scyther" or defName="Lancer"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SightSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="Scyther" or defName="Lancer"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="HearingSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
+	<Operation Class="PatchOperationAdd">
+		<xpath>Defs/BodyDef[defName="Scyther" or defName="Lancer"]/corePart/parts/li[def="MechanicalNeck"]/parts/li[def="MechanicalHead"]/parts/li[def="SmellSensor"]/groups</xpath>
+		<value>
+			<li>CoveredByNaturalArmor</li>
+		</value>
+	</Operation>
+
 	<Operation Class="PatchOperationAdd">
 		<xpath>Defs/BodyDef[defName="Scyther" or defName="Lancer"]/corePart/parts/li[def="MechanicalShoulder"]/groups</xpath>
 		<value>
diff --git a/Patches/Core/ThingDefs_Races/Races_Mechanoid.xml b/Patches/Core/ThingDefs_Races/Races_Mechanoid.xml
index c748dfb5d8..86b96cc01c 100644
--- a/Patches/Core/ThingDefs_Races/Races_Mechanoid.xml
+++ b/Patches/Core/ThingDefs_Races/Races_Mechanoid.xml
@@ -96,6 +96,8 @@
 						<ArmorRating_Sharp>0.25</ArmorRating_Sharp>
 						<parts>
 							<li>SightSensor</li>
+							<li>HearingSensor</li>
+							<li>SmellSensor</li>
 						</parts>
 					</li>
 					<li>
@@ -103,6 +105,8 @@
 						<ArmorRating_Blunt>0.25</ArmorRating_Blunt>
 						<parts>
 							<li>SightSensor</li>
+							<li>HearingSensor</li>
+							<li>SmellSensor</li>
 						</parts>
 					</li>
 				</stats>