| 摘要 |
A body joint liner (1) comprises an inner face (3) and an outer face, the inner face has a channel (2) therein open (6) at one end and closed (5) at the other end, being of substantially constant width and depth. The inner face is shaped to the contours of the body joint. The liner might be attached to a hard plastic cover (10) via glue, tape or the like.
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