| 摘要 |
The item of footwear ( 10 ) is provided with a roller ( 50 ) to enable the item of footwear to roll over a surface when the rolling means is in a first active position. The item of footwear ( 10 ) has a slide yoke ( 34 ) for retracting the roller ( 50 ) to a second latent position, thereby disabling the roller and preventing the item of footwear from rolling over a surface (see <figref idref="DRAWINGS
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