This training exerciser is consisted of weaves and high-resistance latex tubing, it has been demonstrated by strict pulling test, and suits the adult to use. It is the ideal training device for the family, health club and athletes. It is helpful to strengthen the leg strength as well as the bodily explosive force, the coordinated bodily various spots, are the specialized new training thing. Specially suits to the speed skating, the soccer, the long dash, Chinese kongfu, etc
