| 摘要 |
PROBLEM TO BE SOLVED: To provide a tool for a sliding board capable of reducing a cost while integrating a hook and a file and, demonstrating the functions of the hook and the file one and making anyone able to easily raise an appropriate edge and easily use the hook. SOLUTION: The grinder of the sliding board is provided with the file 2 on a part of a holding part 1 and a cord tightening hook 3 is provided on the holding part 1 so as to be freely brought down to a housing state and an erected using state. Then, the holding part 1 is provided with a guide surface 1a almost perpendicularly projected to the surface 2a of the file 2 and it is preferable that the surface 2a of the file 2 is provided in an inclined state with a prescribed angleα, about 35 deg. in this case, to the longitudinal direction of the holding part 1.
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