| 摘要 |
A device for manipulation by hands of a user is provided. The device comprises a plurality of segments, each segment including a ball, a socket having a wall that at least partially defines a spherical hollow, and a connecting arm formed between the ball and socket wherein the connecting arm is attached to each of the ball and the socket at respective positions, at least one of the positions being offset from a longitudinal axis extending through a center of the ball and a center of the spherical hollow wherein the plurality of segments are arranged to include pairs of adjoining segments that are releasably interconnected to each other by ball-and-socket joints formed by the interconnection of a ball of a first segment and a socket of a second segment of the pair.
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