The buckle can be adjusted to add more elastic rope to increase resistance and meet your various requirements.
This product is designed from a biomechanical perspective to enhance the movement of leg strength. It is very helpful for improving the jump, speed and strength, and is suitable for any sports program.
Use to Increase leg and arm drive and power, vertical leap capability, vertical jump capability, perfectly suitable for basketball volleyball tennis training.
Use for basketball tennis running football volleyball jump training, increase leg strength and agility training.