How to use this running parachute speed training youth?
1. Plug the buckle of the umbrella body into the buckle of the waist belt.
2. Put the belt around the waist, fasten it with a quick buckle, and then adjust the size of the belt by adjusting the buckle.
3. Start running, as the speed test speeds up, the speed chute will open to the maximum extent and the resistance will increase.