Towbar here (NZ) is the bolted or welded rear towing 
attachment on the pulling vehicle. Subject to extensive 
regulatory requirements (FEA design et al) and must be 
professionally fitted and certified. A temporary 
bolt/strap/stick on arrangement would never be sanctioned. 
Safety chain mandatory.

'Hitch(hike)' is to stand by the roadside and cadge a ride.


        Russell

> Hitch is the portion that attaches to the towing vehicle, 
> usually
> includes a square tube receiver and a ball and tube 
> assembly that the
> trailer hooks to. The hitch usually is permanently 
> fastened to the
> towing vehicle, but for some vehicles (older) temporary 
> rentals are
> available..

> Tow bar generally is the assembly that attaches to the 
> front of a
> vehicle, to allow it to be towed. Commonly used with RV's 
> ((Caravan for
> the U.K.) to tow a small vehicle for transportation at 
> destination.

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