A leather stamp is an essential tool for every leathercrafter. However, it poses a few issues - price, availability, and design. Would you like to know how to make leather stamps in 4 easy steps with tools you have at home? To make a leather stamp, find a good stainless steel bolt, then sand off the head. Mark off your design using a marker or an etching solution, and cut the negative spaces around your image. Finally, sand off the uneven and sharp edges for a cleaner, more distinct stamp.