Run faster, jump higher, dig harder with a resistance trainer, and build speed, strength, agility, flexibility, momentum, and overall balance. Suitable for all athletes and active individuals as an individual or team workout to strengthen legs, calves, back, chest, shoulders and core. Ideal for agility and strength workouts. Non-slip, adjustable waist belt with loops allows you to move 360 degrees for better maneuverability when sprinting, jumping, and twisting. Athletes are advised to use a partner to make the process a real challenge by applying resistance. Personal training is also possible by connecting it to a stable, grounded object. Resistance trainers are used by athletes all over the world who want to become faster, stronger and faster runners. It also helps athletes train to maximize strength, speed, and vertical jumps so they can be the best they can be. Specifications: Function: Comprehensive Fitness Exercise Application: Rubber String Chest Developer Package Included: 1 Resistance Training Rope If you have any questions about the product, please contact me, we will contact you within 24 s and give you a satisfactory answer. Full-body workouts, unlimited venues.Run faster, jump higher, dig harder with a resistance trainer, and build speed, strength, agility, flexibility, momentum, and overall balance.Suitable for all athletes and active individuals as an individual or team workout to strengthen legs, calves, back, chest, shoulders and core.Ideal for agility and strength workouts. Non-slip, adjustable waist belt with loops allows you to move 360 deg.