These chutes, used throughout the track and field world, are based on the overload principle for building runners' muscle quickness and power. The advantage over weight training is that the chute presents resistance in the actual act of running. Remarkable results have been attained by novice runners. The greatest sprinters and hurdlers also use the chutes regularly to improve and maintain their strength and speed. Features: 8 lines for even inflation and a padded belt. Inflates easily without wind, and is composed of 100% nylon.
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