I'm with the hunting skills crowd. Scent deterrents are great if your using a stand or very slowly still hunting a small patch of woods. But when your archery elk hunt takes you over the top of one mountain and down into the next canyon you can forget scent loc protecting you from smell. Maybe for stand hunting. But spot and stalk hunting movement is the number one key to success. I have been busted by smell before but not as often as movement. I use what I can to try and cover scent but I don't buy scent clothing. Hunting over weeks at a time using spot and stalk method. Changing clothes often is more important. I hang all my bowhunting clothes after being washed in bags with pine brows a week before the season starts. It has seem to help more than anything. Hunt the wind and when you can't learn to shoot farther or let it go.