diff --git a/code/modules/modular_computers/computers/subtypes/dev_exonet_connection_system.dm b/code/modules/modular_computers/computers/subtypes/dev_exonet_connection_system.dm
index d6ee397acc..b56ddd99df 100644
--- a/code/modules/modular_computers/computers/subtypes/dev_exonet_connection_system.dm
+++ b/code/modules/modular_computers/computers/subtypes/dev_exonet_connection_system.dm
@@ -19,16 +19,17 @@
 /obj/item/modular_computer/ecs/first
 	name = "exonet connection system."
 	hardware_flag = PROGRAM_TABLET
-	desc = "A cirquit with some ports and wires. Looks like it's for a first generation IPC"
+	desc = "A simple circuit with some ports and wires."
 
 /obj/item/modular_computer/ecs/second
 	name = "exonet connection system."
 	hardware_flag = PROGRAM_TABLET
-	desc = "A cirquit with some ports and wires. Looks like it's for a second generation IPC"
+	desc = "A complex circuit with some ports and wires."
+
 /obj/item/modular_computer/ecs/third
 	name = "exonet connection system."
 	hardware_flag = PROGRAM_LAPTOP
-	desc = "A cirquit with some ports and wires. Looks like it's for a third generation IPC"
+	desc = "An extremely complex circuit with some ports and wires."
 
 /obj/item/modular_computer/ecs/first/install_default_hardware()
 	..()
diff --git a/code/modules/organs/internal/species/ipc.dm b/code/modules/organs/internal/species/ipc.dm
index fd68beafc7..b7cd11b53c 100644
--- a/code/modules/organs/internal/species/ipc.dm
+++ b/code/modules/organs/internal/species/ipc.dm
@@ -363,10 +363,10 @@
 			if(do_after(user, 120, src))
 				new /obj/item/organ/internal/shackles (loc)
 				src.unshackle()
-				to_chat(user, "You succsesfully remove shackles from the positronic brain.")
+				to_chat(user, "You succesfully remove shackles from the positronic brain.")
 			else
 				src.damage += 45
-				to_chat(user, "Your hand slips while removing the shackles and severely damaged the positronic brain.")
+				to_chat(user, SPAN_WARNING("Your hand slips while removing the shackles severely damaging the positronic brain."))
 		else
 			to_chat(user, "You have no idea how to do that!.")
 
@@ -391,7 +391,7 @@
 	if(istype(C))
 		if(user.skill_check(SKILL_DEVICES, SKILL_PROF))
 			if(C.type == /obj/item/organ/internal/posibrain/ipc/third)
-				to_chat(user, "This posibrain generattion cannot support shackle module.")
+				to_chat(user, "This posibrain generation can not support shackle module.")
 				return
 			if(!newFreeFormLaw)
 				to_chat(user, "No law detected on shackle module, please create one.")
@@ -404,6 +404,9 @@
 				C.shackle(get_lawset())
 				to_chat(user, "You have successfully installed the shackles.")
 				qdel(src)
+			else
+				C.damage += 40
+				to_chat(user, SPAN_WARNING("You have damaged the positronic brain"))
 		else
 			to_chat(user, "You have no idea how to do that!")
 
diff --git a/code/modules/surgery/organs_internal.dm b/code/modules/surgery/organs_internal.dm
index a6117f1920..5ec4b05427 100644
--- a/code/modules/surgery/organs_internal.dm
+++ b/code/modules/surgery/organs_internal.dm
@@ -268,6 +268,9 @@
 				if(implant.organ_tag == O.organ_tag)
 					to_chat(user, SPAN_WARNING("\The [target] already has [o_a][O.name]."))
 					return
+			if(O.type == /obj/item/organ/internal/posibrain)
+				to_chat(user, SPAN_WARNING("There's no place in [target] to fit \the [O.organ_tag]."))
+				return
 			if(O.organ_tag == BP_POSIBRAIN && !target.species.has_organ[BP_POSIBRAIN])
 				to_chat(user, SPAN_WARNING("There's no place in [target] to fit \the [O.organ_tag]."))
 			else if(O.damage > (O.max_damage * 0.75))
diff --git a/infinity/code/modules/mob/living/carbon/human/machine_limb_functions.dm b/infinity/code/modules/mob/living/carbon/human/machine_limb_functions.dm
index adf9aa219b..8ff9a5bbf3 100644
--- a/infinity/code/modules/mob/living/carbon/human/machine_limb_functions.dm
+++ b/infinity/code/modules/mob/living/carbon/human/machine_limb_functions.dm
@@ -102,8 +102,11 @@
 	if(stat)
 		return
 
-	if(R.is_stump() || R.is_broken() || !R)
+	if(!R)
+		return
+	if(R.is_stump() || R.is_broken())
 		return
+
 	if(robohead.is_monitor)
 		var/list/all_fhairs = typesof(/datum/sprite_accessory/facial_hair/ipc) - /datum/sprite_accessory/facial_hair/ipc
 		var/list/fhairs = list()
@@ -165,8 +168,9 @@
 	var/datum/robolimb/robohead = all_robolimbs[R.model]
 	if(stat)
 		return
-
-	if(R.is_stump() || R.is_broken() || !R)
+	if(!R)
+		return
+	if(R.is_stump() || R.is_broken())
 		return
 	if(robohead.is_monitor)
 		f_style = "Off"
@@ -182,7 +186,9 @@
 	var/obj/item/organ/external/head/R = src.get_organ(BP_HEAD)
 	var/obj/item/organ/internal/ecs/enter = src.internal_organs_by_name[BP_EXONET]
 
-	if(R.is_stump() || R.is_broken() || !R)
+	if(!R)
+		return
+	if(R.is_stump() || R.is_broken())
 		return
 	if(!enter)
 		to_chat(usr, "<span class='warning'>You have no exonet connection port</span>")
@@ -199,7 +205,9 @@
 	var/obj/item/organ/internal/ecs/enter = src.internal_organs_by_name[BP_EXONET]
 	var/datum/robolimb/robohead = all_robolimbs[R.model]
 
-	if(R.is_stump() || R.is_broken() || !R)
+	if(!R)
+		return
+	if(R.is_stump() || R.is_broken())
 		return
 
 	if(!enter)