Tow Bar Accessories Dealer in Australia Towbar accessories, shackles, Interlocking Ball mounts, tongues, ball covers, hitch pins, tow balls, shin protectors, anti theft coupling locks. When you’re towing valuable load like your caravan or trailer, you want the peace of mind that comes from knowing that you have the right kind of tow accessories. Our shackles can carry up to 3500 kg. Interlocking Ball mounts designed to higher towing capacity and performance in a one of a kind design with a durable, high-quality finish. Our anti-theft coupling locks is an easy to use anti-theft device which is fitted in minutes. These locks can be used to secure your camper trailer or caravan by clamping onto the ball coupling.