Jump Stretch Band Seminar with Dick Hartzell - Strength Performance Network - Jump stretch dick hartzell
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Titled as a multipurpose workout "machine" and native to the Jump Stretch Invented by Dick Hartzell (also known as the "Rubberband Man") in , the. Jump Stretch Inc. was founded by Dick Hartzell in Coach Hartzell, age 61 and father of three, has been selling rubber bands for 21 years. Before the.