👉 Notchers, also known as "notches," are small, sharp-edged ridges or marks that appear on the surface of a metal object due to friction. These notches can be found in various forms such as grooves, rips, and dents, and they play an important role in the manufacturing process of many items. Notchers can also refer to the small gaps or voids within a material where light would normally pass through. This is often associated with the appearance