James Valley Scents Company Knock Out Bear Lure. Knock Out is the most powerful and the hardest hitting bear attractant ever produced. This product is very attractive to black bears. Use to quickly open new baits, freshen existing ones or while stand hunting. Knock out is a great predator attractant that is very attractant to all carnivores. One bottle will open 8-10 baits. Strong Stuff-a small application goes a long way. James Valley Scent Company Knock Out Bear Lure.