The is self-tapping mounted and can be freely adjusted in height! You can adjust it by loosening the screw counterclockwise with a screwdriver according to your own needs Standing up the soap can be trimmed in the, the soap surface can be trimmed, the soap edge can be trimmed, and the soap powder can be trimmed A must for soap Flat shaving soap, pushing a few times until the surface is smooth Easily cut out soap Can be used to make soap, candles, ice cubes, chocolate, bread The stainless steel is for, and easy to use After shaving, keep the dry and clean, then add a little oil ( cooking oil will do) to rust