right, it works now

monkestation/code/modules/cybernetics/augments/chest_augments.dm

@@ -556,12 +556,20 @@
 
 	return TRUE
 
+/datum/bodypart_overlay/simple/dualwield
+	icon = 'monkestation/code/modules/cybernetics/icons/implants.dmi'
+	icon_state = "ccms_overlay"
+	layers = EXTERNAL_ADJACENT
+
 /obj/item/organ/internal/cyberimp/chest/dualwield
 	name = "C.C.M.S implant"
 	desc = "Short for Complementary Combat Maneuvering System, it processes spinal nerve signals and enacts forced complementary maneuvers on the opposite side of the user's body when they attack. In layman's terms, it lets you dual wield."
 	icon = 'monkestation/code/modules/cybernetics/icons/implants.dmi'
 	icon_state = "ccms"
-	//encode_info = AUGMENT_SYNDICATE_LEVEL
+	encode_info = AUGMENT_SYNDICATE_LEVEL
+
+	visual_implant = TRUE
+	bodypart_overlay = /datum/bodypart_overlay/simple/dualwield
 
 /obj/item/organ/internal/cyberimp/chest/dualwield/on_insert(mob/living/carbon/organ_owner, special)
 	. = ..()
@@ -613,11 +621,16 @@
 /obj/item/organ/internal/cyberimp/chest/dualwield/proc/handle_side_effects(obj/item/item, mob/target)
 	return FALSE // Returning true means we misfired, i.e. failed to dual wield even though it should have triggered under normal circumstances.
 
+/datum/bodypart_overlay/simple/dualwield/refurbished
+	icon_state = "ccms_overlay_refurbished"
+
 /obj/item/organ/internal/cyberimp/chest/dualwield/refurbished
 	name = "refurbished C.C.M.S implant"
 	desc = "A refurbished dual wielding implant. It looks old and the nerve filaments have degraded, but it's still functional."
 	icon_state = "ccms_refurbished"
 
+	bodypart_overlay = /datum/bodypart_overlay/simple/dualwield/refurbished
+
 /obj/item/organ/internal/cyberimp/chest/dualwield/refurbished/handle_side_effects(obj/item/item, mob/target)
 	if(prob(20)) // Low probability for it to not work at all.
 		owner.visible_message(
@@ -626,7 +639,7 @@
 		)
 		return TRUE // Cancels the complementary attack.
 
-	if(prob(30)) // Higher probability for it to cause some damage, but still work.
+	if(prob(30)) // And if it does work, it might cause some damage.
 		owner.visible_message(
 			message = span_warning("[owner]'s arm spazzes out!"),
 			self_message = span_danger("Your arm spazzes out!")

monkestation/code/modules/cybernetics/augments/uplink/uplink.dm

@@ -1,6 +1,6 @@
 /datum/uplink_item/bundles_tc/sandy
 	name = "Sandevistan Bundle"
-	desc = "A box containing various implants"
+	desc = "A box containing autosurgeons for a cyberlink and a sandevistan, allowing you to outspeed targets."
 	item = /obj/item/storage/box/syndie_kit/sandy
 	cost = 12
 	purchasable_from = UPLINK_TRAITORS
@@ -12,7 +12,7 @@
 
 /datum/uplink_item/bundles_tc/mantis
 	name = "Mantis Blade Bundle"
-	desc = "A box containing various implants"
+	desc = "A box containing autosurgeons for a cyberlink and two mantis blade implants, one for each arm."
 	item = /obj/item/storage/box/syndie_kit/mantis
 	cost = 12
 	purchasable_from = UPLINK_TRAITORS
@@ -22,3 +22,13 @@
 	new /obj/item/autosurgeon/organ/syndicate/syndie_mantis(src)
 	new /obj/item/autosurgeon/organ/syndicate/syndie_mantis/l(src)
 
+/datum/uplink_item/bundles_tc/dualwield
+	name = "C.C.M.S Bundle"
+	desc = "A box containing autosurgeons for a cyberlink and a C.C.M.S implant that lets you dual wield melee weapons."
+	item = /obj/item/storage/box/syndie_kit/dualwield
+	cost = 12
+	purchasable_from = UPLINK_TRAITORS
+
+/obj/item/storage/box/syndie_kit/dualwield/PopulateContents()
+	new /obj/item/autosurgeon/organ/cyberlink_syndicate(src)
+	new /obj/item/autosurgeon/organ/syndicate/dualwield(src)

monkestation/code/modules/cybernetics/black_markets/aftermarket_implants.dm

@@ -38,6 +38,15 @@
 	price_min = CARGO_CRATE_VALUE * 5
 	price_max = CARGO_CRATE_VALUE * 7
 
+/datum/market_item/auction/shoddy_implant/chest/dualwield
+	name = "refurbished C.C.M.S implant"
+	desc = "A refurbished dual wielding implant. It's old and might misfire, but it's still functional."
+	item = /obj/item/organ/internal/cyberimp/chest/dualwield/refurbished
+	auction_weight = 1 // It practically doubles your damage.
+
+	price_min = CARGO_CRATE_VALUE * 6
+	price_max = CARGO_CRATE_VALUE * 8
+
 /datum/market_item/auction/shoddy_implant/arm
 	category = "Arm Implants"
 

monkestation/code/modules/cybernetics/implant_items/autosurgeons.dm

@@ -19,6 +19,9 @@
 /obj/item/autosurgeon/organ/syndicate/sandy
 	starting_organ = /obj/item/organ/internal/cyberimp/chest/sandevistan
 
+/obj/item/autosurgeon/organ/syndicate/dualwield
+	starting_organ = /obj/item/organ/internal/cyberimp/chest/dualwield
+
 /obj/item/autosurgeon/skillchip
 	name = "skillchip autosurgeon"
 	desc = "A device that automatically inserts a skillchip into the user's brain without the hassle of extensive surgery. \