1, according to the query life knowledge network, put the belt flat and find the position of the two iron buckles.

2. Find a piece of unbuttoned tape and push the fixing ring on the tape to the edge of the patch for easy fixing.

3. Insert the iron sheet into the retaining ring and stick the iron sheet and the retaining ring together.

4. Pull the second fixing ring to a suitable position, and the inner band of military training is installed.