1. use only not broken tensioner, the label can clearly show that.
2. do not overload.
3. the Ribbon knot should not be used.
4. when in use, please try to make the fabric away from sharp edges, free from wear and tear or cut.
5. avoid twisting, twisted layout tensioner.
6. do not place objects on the tensioner on, so as not to cause injury.
7. do not adjust tensioner as the load lifting.