Mach Speed Trainer
This
product takes explosive movement training to the next level. Accomodates 30+
drills which emphasize all the major muscle groups and also helps train speed,
agility, balance, quickness and explosiveness. Comes with 3 key components: 1
Harness, 10'-75 pounds Smart Toner, and anchor. Padded harness fits over
shoulders and is large enough to fit over shoulder pads, but adjusts small
enough to fit children. Choose between 75, 105 pounds or 150 pounds of
resistance.