Reverse hammer for pulling out dents on the car. It's very difficult to avoid various dents on your bodywork, whether it's hail damage or damage from minor accidents. Fortunately, dents that are not too critical can be fixed on your own. The reverse hammer grips a special fungus, which is glued to the center of the damage, and with sharp blows pulls the metal into its place. The seller supplies 29 different fungi in the kit.