| 摘要 |
The board has a manual lever (1) articulated on it. The lever has three rigid tubular segments (1,2,6) and its lower horizontal segment (2) is fixed to the back of the board, behind a rubber mat (3) that the skier stands on, and perpendicular to the trajectory. The upper segment of the lever (6) forms a horizontal handle-bar with handles (4). A cord (5), which is adjustable in length, joins the front tip of the board to the handle-bar.
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