upd

code/game/objects/items/devices/portable_vendor.dm

@@ -6,6 +6,10 @@
 	name = "\improper Automated Storage Briefcase"
 	desc = "A suitcase-sized automated storage and retrieval system. Designed to efficiently store and selectively dispense small items."
 	icon = 'icons/obj/items/storage/briefcases.dmi'
+	item_icons = list(
+		WEAR_L_HAND = 'icons/mob/humans/onmob/inhands/items/storage_lefthand.dmi',
+		WEAR_R_HAND = 'icons/mob/humans/onmob/inhands/items/storage_righthand.dmi',
+	)
 	icon_state = "secure"
 	flags_atom = FPRINT|CONDUCT
 	force = 8

code/game/objects/items/props/helmetgarb.dm

@@ -662,6 +662,7 @@
 	name = "compass"
 	desc = "It always faces north. Are you sure it is not broken?"
 	icon = 'icons/obj/items/tools.dmi'
+	icon_state = "compass"
 	item_icons = list(
 		WEAR_AS_GARB = 'icons/mob/humans/onmob/clothing/helmet_garb/misc.dmi',
 	)

code/game/objects/items/storage/smartpack.dm

@@ -16,7 +16,7 @@
 	icon_state = "smartpack"
 	icon = 'icons/obj/items/clothing/backpack/smartpack.dmi'
 	item_icons = list(
-		WEAR_BACK = 'icons/mob/humans/onmob/clothing/back/backpacks_by_faction/UA.dmi'
+		WEAR_BACK = 'icons/mob/humans/onmob/clothing/back/smartpack.dmi'
 	)
 	flags_atom = FPRINT|NO_GAMEMODE_SKIN // same sprite for all gamemodes
 	max_storage_space = 14

code/game/objects/items/weapons/swords_axes_etc.dm

@@ -44,6 +44,10 @@
 	name = "telescopic baton"
 	desc = "A compact yet rebalanced personal defense weapon. Can be concealed when folded. It will knock down humans when not on harm intent."
 	icon = 'icons/obj/items/weapons/melee/non_lethal.dmi'
+	item_icons = list(
+		WEAR_L_HAND = 'icons/mob/humans/onmob/inhands/weapons/melee/non_lethal_lefthand.dmi',
+		WEAR_R_HAND = 'icons/mob/humans/onmob/inhands/weapons/melee/non_lethal_righthand.dmi'
+	)
 	icon_state = "telebaton_0"
 	item_state = "telebaton_0"
 	flags_equip_slot = SLOT_WAIST

code/modules/clothing/head/head.dm

@@ -44,7 +44,7 @@
 	icon_state = "band2"
 	icon = 'icons/obj/items/clothing/hats/hats_by_map/jungle.dmi'
 	item_icons = list(
-		WEAR_HEAD = 'icons/obj/items/clothing/hats/hats_by_map/jungle.dmi'
+		WEAR_HEAD = 'icons/mob/humans/onmob/clothing/head/hats_by_map/jungle.dmi'
 	)
 	flags_atom = null
 
@@ -123,7 +123,7 @@
 	icon_state = "berettan"
 	icon = 'icons/obj/items/clothing/hats/hats_by_map/jungle.dmi'
 	item_icons = list(
-		WEAR_HEAD = 'icons/obj/items/clothing/hats/hats_by_map/jungle.dmi'
+		WEAR_HEAD = 'icons/mob/humans/onmob/clothing/head/hats_by_map/jungle.dmi'
 	)
 
 /obj/item/clothing/head/beret/cm/tan/Initialize(mapload, ...)
@@ -210,7 +210,7 @@
 	icon = 'icons/obj/items/clothing/hats/hats_by_map/jungle.dmi'
 	flags_obj = OBJ_NO_HELMET_BAND|OBJ_IS_HELMET_GARB
 	item_icons = list(
-		WEAR_HEAD = 'icons/obj/items/clothing/hats/hats_by_map/jungle.dmi',
+		WEAR_HEAD = 'icons/mob/humans/onmob/clothing/head/hats_by_map/jungle.dmi',
 		WEAR_AS_GARB = 'icons/mob/humans/onmob/clothing/helmet_garb/headbands.dmi',
 	)
 	item_state_slots = list(WEAR_AS_GARB = "headbandgreen")
@@ -394,7 +394,7 @@ GLOBAL_LIST_INIT(allowed_hat_items, list(
 	icon_state = "cap"
 	icon = 'icons/obj/items/clothing/hats/hats_by_map/jungle.dmi'
 	item_icons = list(
-		WEAR_HEAD = 'icons/obj/items/clothing/hats/hats_by_map/jungle.dmi',
+		WEAR_HEAD = 'icons/mob/humans/onmob/clothing/head/hats_by_map/jungle.dmi',
 		WEAR_L_HAND = 'icons/mob/humans/onmob/inhands/items_by_map/jungle_lefthand.dmi',
 		WEAR_R_HAND = 'icons/mob/humans/onmob/inhands/items_by_map/jungle_righthand.dmi'
 	)
@@ -674,7 +674,7 @@ GLOBAL_LIST_INIT(allowed_hat_items, list(
 	icon_state = "coberet"
 	icon = 'icons/obj/items/clothing/hats/hats_by_map/jungle.dmi'
 	item_icons = list(
-		WEAR_HEAD = 'icons/obj/items/clothing/hats/hats_by_map/jungle.dmi'
+		WEAR_HEAD = 'icons/mob/humans/onmob/clothing/head/hats_by_map/jungle.dmi'
 	)
 	black_market_value = 30
 
@@ -976,7 +976,7 @@ GLOBAL_LIST_INIT(allowed_hat_items, list(
 	icon = 'icons/obj/items/clothing/hats/hats_by_map/jungle.dmi'
 	flags_inv_hide = HIDETOPHAIR
 	item_icons = list(
-		WEAR_HEAD = 'icons/obj/items/clothing/hats/hats_by_map/jungle.dmi',
+		WEAR_HEAD = 'icons/mob/humans/onmob/clothing/head/hats_by_map/jungle.dmi',
 		WEAR_L_HAND = 'icons/mob/humans/onmob/inhands/items_by_map/jungle_lefthand.dmi',
 		WEAR_R_HAND = 'icons/mob/humans/onmob/inhands/items_by_map/jungle_righthand.dmi'
 	)

code/modules/clothing/suits/labcoat.dm

@@ -151,6 +151,11 @@
 	name = "snow suit"
 	desc = "A standard snow suit. It can protect the wearer from extreme cold."
 	icon = 'icons/obj/items/clothing/suits/coats_robes.dmi'
+	item_icons = list(
+		WEAR_JACKET = 'icons/mob/humans/onmob/clothing/suits/coats_robes.dmi',
+		WEAR_L_HAND = 'icons/mob/humans/onmob/inhands/clothing/suits_lefthand.dmi',
+		WEAR_R_HAND = 'icons/mob/humans/onmob/inhands/clothing/suits_righthand.dmi',
+	)
 	icon_state = "snowsuit"
 	flags_armor_protection = BODY_FLAG_CHEST|BODY_FLAG_GROIN|BODY_FLAG_ARMS
 	flags_cold_protection = BODY_FLAG_CHEST|BODY_FLAG_GROIN|BODY_FLAG_ARMS|BODY_FLAG_LEGS

code/modules/cm_marines/m2c.dm

@@ -47,6 +47,11 @@
 	w_class = SIZE_HUGE
 	flags_equip_slot = SLOT_BACK
 	icon = 'icons/obj/items/weapons/guns/guns_by_faction/USCM/machineguns.dmi'
+	item_icons = list(
+		WEAR_BACK = 'icons/mob/humans/onmob/clothing/back/guns_by_type/machineguns.dmi',
+		WEAR_L_HAND = 'icons/mob/humans/onmob/inhands/weapons/guns/machineguns_lefthand.dmi',
+		WEAR_R_HAND = 'icons/mob/humans/onmob/inhands/weapons/guns/machineguns_righthand.dmi'
+	)
 	icon_state = "M2C_gun_mount"
 	item_state = "M2C_gun_mount"
 	var/rounds = 0