How Trailer Couplers Perform Knowledge the mechanism of trailer couplers is essential to ensuring a safe connection. Normally, couplers perform by clipping on to the hitch ball from the towing car or truck. The coupler's locking mechanism, no matter whether it is a handwheel, lever, or toggle, secures the connection. https://types-of-trailer-hitch-co90110.designertoblog.com/58661807/the-basic-principles-of-types-of-trailer-hitch-couplers