1. Before opening the lock, first understand the internal structure diagram of the padlock. The general principle is to press down the lock ball to open the lock.
2. This is a padlock with a lost key.
3. It can be seen that there is a certain gap between the U-shaped ring and the lock body.
4. Then prepare a small iron sheet, thick enough to fit into the gap between the U-shaped ring and the lock body, and the length depends on the size of the lock. Tie the iron sheet into a ring to fit the U-shaped ring.
5. Find the movable side of the U-shaped ring, usually the side with larger looseness. You can also identify it by the lock logo, on the right.
6. Put the iron piece into the inner side of the movable side of the U-shaped ring, and then press the iron piece down hard.
7. After pressing the small iron sheet into the gap, the lock can be opened.
stainless steel padlock 
