A special set of weights that fit your ankle to train with resistance. You can vary each pouch from 0.5kg to 2.3kg per foot. Of course, for static physiotherapy exercises, you can place both pockets on the same foot.
Changing is done in a very easy way, and the placement of the case on the foot is extremely steady even if you use it on the run. Ideal accessory for those who want to train their lower back muscles (calves, thighs, glutes, but also for those who want to improve their jump and explosiveness (basketball, football, athletics, swimming, etc.)