Just look at their thumbs! They are lined with little cuts! Right! So annoying! Comes from pushing little pieces of glass against the grinding wheel. Unlike when we started out in business in 1988, now there is a gadget to solve your every problem. There are lots to solve the cut thumb problem.
Above: Thumb Pushers by Inland. Sku 2753tp. Low price and simple and easy to use.
Above: The most substantial solution is by Glastar. The Griffi Glass Gripper. Sku 2051