About this item Provides a more comfortable, customized fit to reduce hand fatigue and add better control. Finger inserts for grooming shears are bigger and create a better custom fit. Bigger size allows better control for grooming shears and newer material helps create better finger grip, helps prevent calluses. Rubber rings attach easily to shears, decreasing the hole size to fit smaller hands. Soft Thumb Ring Sizer for Grooming Scissors.