Warning: All heavy bags with a metal hanging attachment on a metal ceiling or wall mount will wear over time and use and require replacement. All metal on metal contact with movement will cause wear, especially with frequent usage. Examine all hanging heavy bags before every use for any defects or wear and tear. The customer is solely responsible for all parts that wear over time and need replacement. Failure to monitor and inspect the heavy bag and mounts could cause severe injury or damage to person(s) and property.