Exercise device for resistance walking

作者: William T. Wilkinson

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摘要: An exercise device to be used while walking which has a back foundation plate with plurality of belt loops attached the plate; two ends are attached. The belts have means attaching one end another. contains flanges an extension pole is removably affixed. extends down from plate. length can adjusted. At clasp leg elastic resistance devices ankle collar by clasps. collars and connecting A accessory hooks arm

参考文章(3)
Moyle John Ralph, Dog training harness ,(1949)
Laurent Gaston-Edouard-Eugene, Appareil pour augmenter la taille humaine ,(1906)