| 摘要 |
An in-line roller skate has a replaceable slider at the especially exposed areas of the shoe to protect the shoe from wear. The slider is very inexpensive and can be replaced after it has been worn out, and its replacement can even be carried out by nonprofessionals. The slider is preferably shaped in such a way that the shoe in the sliding area is covered completely by the slider, so that it no longer comes into contact with the ground or railings.
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