| 摘要 |
An article having a first portion, the first portion having a first texture; and a second portion, the second portion having a second texture, the second texture being rougher than the first texture; wherein the first portion and the second portion define an open cavity of sufficient size to accommodate at least one finger of a human hand; wherein the first portion and the second portion are formed from the same material; and wherein one of the portions has been treated to create its texture.
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