Speed Training Kit Overload Running Resistance Release Harness & Resistance Band Speed and Agility Equipment Sprint Football Basketball Soccer This product allows you to train, such as running while applying an overload. This product has a mechanism where the Velcro comes undone and releases when you pull the orange string during the load. Please understand that it uses Velcro instead of metal fittings. Bonus Jump rope included. This is a new, unused item. Please refrain from purchasing if you are sensitive to storage conditions, as it is stored by an amateur. Usually ships within 24 hours Anonymous shipping Please note that there are no instructions or outer packaging vinyl. If there are days when shipping is not possible, it will be noted next to the name, so please understand. Compression may be used, so please understand. Running training Agility Physical training Step training Reflexes Training gear Dash Training Lower body Upper body Training goods Tube Dumbbell Barbell Kettlebell Massage gun Weight training Track and field Rugby Sprint Shaker Plastic bottle Protein powder Gold Standard Golden Standard Protein BCAA EAA HMB Pre-workout Bodybuilder Physique competitor Supplements Myprotein MYPROTEIN GOLD STANDARD Flexbell Adjustable dumbbell