Most shoemakers use a last—made traditionally of wood, but now often of plastic— on which to form the shoe. Some lasts are straight, while curved lasts come in pairs: one for left shoes, the other for right shoes.
Hi sandyroe, mrs B here, just had a chuckle at your last response to mr B
Going to bed at 2.30. He is a fruit & veg supplier so when your in the land of
Zzzzzds he is at work :) have a good night.