According to Castalia, barbs increase resistance on a hook point as it's trying to penetrate the mouth. These points penetrate much faster, and the pressure created by keeping your line tight presses the little ridges into the mouth, essentially "locking" them in place. After landing, the hook slides out with the ease of a true barbless and the fish swims away happier and healthier. Not to mention, they'll slide just as easily out of your fingers, arms, or the back of your fishing buddy's neck. I have a sample pack I'm looking forward to getting wet.