70 340 dart heater hose routing?

whats the proper way to route the heater hoses on a 70 340 dart?

nothing original about this dart but would like to route the hoses properly.. are they supposed to go all the way to the fenderwell? if so is there a clamp or something to hold them over there??

thanks in advance..

Supposed to be a black plastic strap on the fender apron I believe.

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