anchor.diff:  
   ////////
   /mob/living/carbon/monkey/update_inv_wear_mask(var/update_icons=1)
  -	if( wear_mask && istype(wear_mask, /obj/item/clothing/mask) )
  +	if(wear_mask && istype(wear_mask, /obj/item/clothing/mask) )
   		wear_mask.screen_loc = ui_monkey_mask
  -		if(hud_used)
  +		if(client && hud_used)
   			client.screen += wear_mask
   		overlays -= overlays_lying[M_MASK_LAYER]
   		overlays -= overlays_standing[M_MASK_LAYER]
   		var/image/lying		= image("icon" = 'icons/mob/monkey.dmi', "icon_state" = "[wear_mask.icon_state]2", "layer" = -M_MASK_LAYER)
   		var/image/standing	= image("icon" = 'icons/mob/monkey.dmi', "icon_state" = "[wear_mask.icon_state]", "layer" = -M_MASK_LAYER)
  -		if( !istype(wear_mask, /obj/item/clothing/mask/cigarette) && wear_mask.blood_DNA )
  +		if(!istype(wear_mask, /obj/item/clothing/mask/cigarette) && wear_mask.blood_DNA )
   			lying.overlays		+= image("icon" = 'icons/effects/blood.dmi', "icon_state" = "maskblood2")
   			standing.overlays	+= image("icon" = 'icons/effects/blood.dmi', "icon_state" = "maskblood")
   		overlays_lying[M_MASK_LAYER]	= lying
   		overlays_standing[M_MASK_LAYER]	= standing
  -		if (src.lying)
  +		if(src.lying)
   			overlays += overlays_lying[M_MASK_LAYER]
   		else
   			overlays += overlays_standing[M_MASK_LAYER]
  
positive.code: 		else
  			overlays += overlays_standing[M_HANDCUFF_LAYER]
  	else
  		if (hud_used)
  			var/obj/screen/inventory/R = hud_used.adding[4]
  			var/obj/screen/inventory/L = hud_used.adding[5]
  			R.overlays = null
  
negative.code: /mob/living/carbon/monkey/update_inv_back(var/update_icons=1)
  	if(back)
  		back.screen_loc = ui_monkey_back
  		if(client && hud_used)
  			client.screen += back
  		overlays -= overlays_lying[M_BACK_LAYER]
  		overlays -= overlays_standing[M_BACK_LAYER]
  		overlays_lying[M_BACK_LAYER]	= image("icon" = 'icons/mob/back.dmi', "icon_state" = "[back.icon_state]2", "layer" = -M_BACK_LAYER)
  		overlays_standing[M_BACK_LAYER]	= image("icon" = 'icons/mob/back.dmi', "icon_state" = "[back.icon_state]", "layer" = -M_BACK_LAYER)
  		if(src.lying)
  			overlays += overlays_lying[M_BACK_LAYER]
  		else
  			overlays += overlays_standing[M_BACK_LAYER]
  