It will leave an outstanding edge on any type of leather work project. Its design will allow you to effectively finish tight corners, small holes, slots, belt loops, and difficult to reach edges. Apply saddle soap (or soap) with a wet sponge to the edges that you intend to burnish. This will soften the leather and help to create a smooth surface for burnishing. Rub the skin can move quickly back and forth in the groove edges and grinding leather edge. Suitable for a drill press, hand drill, lathe, or any other motorized tool. Can polished leather skin side to side several widths for different thickness polished leather; Ideal for finishing leather craft such as belt, knife sheaths, saddles, etc. It is perfect for rotary tool and will also fit a drill press, hand drill. lathe, or any other motorized tool.