| 摘要 |
Support which consists of non-slip pieces manufactured from a plastic material such as, for example, a polyamide or nylon, which adopt a rectangular shape and have a suitable thickness, being smooth in their centre part through which a strap is introduced and owing to the action of a type of teeth or ribs existing in the lower part working in the opposite direction from that of the actual strap and resting on the centre of the wheel they prevent the strap being displaced and loosening, fully immobilising the vehicle. <IMAGE>
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