Football training supplies Resistance umbrella training Resistance umbrella running Resistance umbrella physical endurance umbrella Football training equipment How to quickly and safely improve the speed and acceleration of running? The upgraded parachute will provide you with a perfect solution. From the beginning of parachute training, the training difficulty will gradually increase, the endurance of leg muscles will continue to increase, and the acceleration will be improved. ^ More and more sports training speed will use parachutes, such as track and field, mountain cycling, skating, basketball, football, football and other ball games. Start running. As the speed test accelerates, the parachute will open to the maximum extent and the resistance will increase. During training, do not try to drag the parachute to the ground, which will damage the parachute. Color: blackPackage includes: 1 * parachuteNote: 1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding< br> 2. The color may vary depending on the display. Please understand< br> Note: Hello, please pay attention to your shipping address when purchasing products. If your receiving information (such as name, street, house number, doorbell/email without name) is incorrect, the order will not be delivered correctly.)