The possibility of the skin to the fabric base as a tool for expand, if you do the sanding head. On a bushing of suitable diameter, carved out of the PCB or the hard wood, wrap in several layers of the skin, pre-soaked in PVA glue. Setting time of the adhesive formed a roll lock thread. To give greater strength dry it on the radiators. In the Chuck of the drilling machine or electric drill grinding head is secured by a nut M10X1,25 on the shaft, turned from steel rod. Using heads from the skins of different grits, you can get the required purity of the processed surface, This tool is completely safe, as it eliminates the gap during operation, as often is the case with monolithic abrasive wheels.
V. VOSKOBOYNIK, Kemerovo