Most effective way to leave a scent trail by using the waterproof boot scent pads. Scent Trax quickly slide on to any size boots. Secured by elastic strap on back of boots and have a scent pad attached to front that allows you to apply any of the Scent Stick scents for hunting or to help with dog training for making scent trails. No more drag line to get tangled and be hung on a branch when you reach your hunting area. Comes in a two pack.