2. Punching and punching: put the belt on the board, select a punching punch with appropriate size, aim at the position to be punched, and strike hard from the thick part with a hammer and other striking tools to punch a round hole with hollowing effect. As shown in the figure below:
3. Punching pliers: According to the required size, find out the hole with the corresponding size from the punching pliers. Put the shoelaces in the punching pliers, adjust the position, and firmly hold the handle to clamp them.
Third, use an acne needle. Mark the place to dig the hole, and then light the candle. In order to avoid burns, you can clamp the acne needle with pliers and heat the candle. When the acne needle burns very hot, quickly use the acne needle to cross the place just marked.