| 摘要 |
A set of elastic bands are partially enclosed in an annular frame. A handle portion of each band extends outside the frame and is covered by a slip-on handle. An anchoring portion of the band is located on either side of the handle portion. Anchor posts and clamps attach the anchoring portions to the frame. The band handle portions and associated handles are disposed in opposed pairs, one pair by the outer edge of the frame, and the other pair by the inner edge of the frame. The frame defines struts, offset from and parallel to each handle, that can act as additional gripping surfaces.
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