| 摘要 |
<p>The windsurf is provided with a foot retaining belt made of a flexible and/or elastic material both ends of which being attached to the board. In order to ensure the disengagement of the foot, also in the case of a twisting fall, at least one of the ends of the belt is linked to the board by means of an attachment which is releasable under the influence of a stress and/or of a torsion torque.</p> |
