Sole leather is prepared for bonding using a leather roughing tool. The sharp spikes open the leather so that the glue can penetrate and a better bonding result is achieved. This tool is very practical, if you have no shoe repair grinding machine. It was used already before electrical grinder were invented.
Tool length: 170 mm
Roughing pad size: 30 mm x 40 mm
If you have any questions or special needs, please ask.