| 摘要 |
A pair of skis are provided on their upper surfaces with respective mounting plates each carrying a treadle depressible by the boot of the user, the treadle overlying the bight of a yoke biased into a rising position be a pair of inclined shanks traversing the mounting plate. The extremities of the wire yoke carry blade-shaped brake elements which in the absence of boot pressure project downwardly beyond the runner surface of the ski and have confronting inner edges formed with notches coming to lie at the level of that surface, the width of the notch exceeding the thickness of the blade whereby the outer blade edges of the other ski can be received in these notches to hold the two skis together in back-to-back position with their runner surfaces contacting each other.
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