Detailed usage:
1. Check and find the perforated part on the bicycle tire.
2. Use a metal file to polish the perforated part.
3. Use some tools to clean the polished parts to ensure that the polished parts are free of dust, dirt and water.
4. Place the patch in the center of the hole and press firmly from the center to the outside to ensure that the patch has no bubbles or wrinkles.
5. After a few minutes, fill the bicycle tires with air.