I think if your in the woods alot and you piss on everything and everywhere they would get use to it. Anyone can piss on the ground and kill a deer but when its comes to an old mature big buck and your bowhunting....think twice before pissing on a scrape or by your stand. They live in the woods...and your urine is something that isnt natural to them. Might fool a small scrub buck but not a booner.