Reuwsaat's DP Annihilator Circle Trigger Baits are designed for use with dog proof raccoon traps that have a circle trigger. They are infused with a strong scent and slide under the circle trigger. They have one projection that protrudes through the center of the circle trigger giving coons something enticing to grab. The strong scent gets coons to work your DP traps. When the coon tries to pull this bait out the trap fires. These circle trigger DP baits are freeze proof, rain proof and snow proof. The strong scent keeps working in all conditions. Reuwsaat's DP Annihilator Circle Trigger Baits are packed by the dozen in an easy to use plastic jar.