KECO Crown Slapper Plastic Body Spoons (Combo Pack)Crown Slappers protect the vehicle paint during the knockdown and blending correction phase by placing between your hammer and the crown or high created from dents and over pulling. Place between your hammer and the crowns created from dents on vehicles Prevents scuffing or damaging the paint during paintless or pull push to paint dent repairs Blue, Rigid Plastic provides more energy transfer when working with thick metals Red Soft Plastic allows