Adds a number of accessory related null checks

code/modules/clothing/clothing_accessories.dm

@@ -133,7 +133,7 @@
 		accessories = null
 
 /obj/item/clothing/emp_act(severity)
-	if(accessories.len)
+	if(LAZYLEN(accessories))
 		for(var/obj/item/clothing/accessory/A in accessories)
 			A.emp_act(severity)
 	..()

code/modules/clothing/under/accessories/holster.dm

@@ -98,7 +98,7 @@
 		H = src
 	else if (istype(src, /obj/item/clothing/under))
 		var/obj/item/clothing/under/S = src
-		if (S.accessories.len)
+		if (LAZYLEN(S.accessories))
 			H = locate() in S.accessories
 
 	if (!H)

code/modules/mob/living/carbon/human/human.dm

@@ -241,7 +241,7 @@
 	if(legcuffed)
 		dat += "<BR><A href='?src=\ref[src];item=[slot_legcuffed]'>Legcuffed</A>"
 
-	if(suit && suit.accessories.len)
+	if(suit && LAZYLEN(suit.accessories))
 		dat += "<BR><A href='?src=\ref[src];item=tie'>Remove accessory</A>"
 	dat += "<BR><A href='?src=\ref[src];item=splints'>Remove splints</A>"
 	dat += "<BR><A href='?src=\ref[src];item=pockets'>Empty pockets</A>"

code/modules/mob/living/carbon/human/stripping.dm

@@ -33,7 +33,7 @@
 			return
 		if("tie")
 			var/obj/item/clothing/under/suit = w_uniform
-			if(!istype(suit) || !suit.accessories.len)
+			if(!istype(suit) || !LAZYLEN(suit.accessories))
 				return
 			var/obj/item/clothing/accessory/A = suit.accessories[1]
 			if(!istype(A))