Insane Bolt 2 - Double Man Overspeed Acupuncture With its new strapping and

With its new strapping and cuff design

making it a favorite of clinics and physical therapists

An economical and efficient way to help build powerful legs and train two athletes simultaneously

X-Large 38-44"

even children

Insane Bolt 2 - Double Man Overspeed Acupuncture With its new strapping andTwo person, overspeed training device. As athletes transition from the acceleration and burst phase into the sprint phase of running, this maximizes stride length and frequency, the 2 elements of speed. Operates like the Leapfrog but with a longer 20' Slastix. With a near maximum stretch of 60' between them, athletes begin springing simultaneously. Includes 2 waist belts and 1 20' Slastix. Also available with 1 waist belt and 1 shoulder harness for