So this is what it does, here is the answer
Thimbles are small yet essential tools in the world of hand sewing. Typically made from metal, plastic, leather, or resin, they are worn on the finger, most often the middle finger or thumb, to protect the skin from being punctured by a sewing needle while pushing it through fabric. By providing a firm surface against which the needle can be pressed, a thimble allows the user to apply greater force with less discomfort, making it easier and safer to sew,…