The bird banged around pretty briskly as the featherplate whirled, but the feathers came off in the predicted 15 to 20 seconds. Herrick Kimball advises that it is actually better to run more birds per spin to reduce the chance of damage to the carcass. Some Whizbang users rig up an automatic spray system over their pluckers to flush away the feathers as they're “slapped” off by the plucker fingers.