1. Place half a piece of pork flat on the work surface and use a knife to cut out the inner tenderloin.

2. Divide the removed inner tenderloin and connect it to the hind legs, and cut it between 5-6 ribs.

3. Cut off one section of the tailbone with a knife, and cut the triangular auxiliary band into the middle section.

4. In this way, a half piece of pork is divided into three sections: the front section, the middle section, and the back section.

5. First use a bone-cutting knife to cut off the front hoof. The length of the front hoof is about 18-20 cm.

6. Use a large knife to cut off about 2 centimeters from the foot ring.

7. Obtain a 2 cm foot ring and a 18-20 cm front hoof.