| 摘要 |
Safety wheel-chock comprising various incorporated safety factors. The dragshoe has moulded anti-slip indentations (B) on its lower surface, a reflective coating (F), a warning triangle (G), an LED system (H), a retractable handle (O), an SOS signalling mirror (P), heating for anti-slip plate, retractable side supports and a skid-pan safety belt or strap. |
