anchor.diff:  
   /obj/machinery/door/keycard
   	name = "locked door"
  -	desc = "This door only opens when a keycard is swiped. It's strong enough, it could probably withstand anything that happens to it."
  +	desc = "This door only opens when a keycard is swiped. This thing looks virtually indestructable, however."
   	icon = 'icons/obj/doors/doorpuzzle.dmi'
   	icon_state = "door_closed"
   	explosion_block = 3
  
positive.code: 	if(istype(I,/obj/item/keycard))
  		var/obj/item/keycard/key = I
  		if((!puzzle_id || puzzle_id == key.puzzle_id)  && density)
  			to_chat(user, "<span class='notice'>The door beeps, and opens itself.</span>")
  			open()
  			return
  		else if(puzzle_id != key.puzzle_id)
  
negative.code: /obj/item/pressure_plate/hologrid/examine(mob/user)
  	. = ..()
  	if(claimed)
  		. += "<span class='notice'>This one appears to be spent already.</span>"
  
  /obj/item/pressure_plate/hologrid/trigger()
  	reward = new reward(loc)
  