The Doubleman Overspeed Heavy with one belt and one shoulder X-Harness
Two person overspeed training device. Athletes are attached together with a 20Æ Elastic (60' stretched out) w/ swivel belts or runners harness. The increased resistance created by the lead runner pulls the trailing runner forcing the trailing runners stride to lengthen and speed to increase. Includes heavy elastic, 1 belt and 1 shoulder X-Harness.
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