{TAIL ~ Clamp member} 76 is provided with pointed teeth 86 at opposite corners thereof which bitingly engage interior surface 84 of supporting {HEAD ~ rail} 12 thereby preventing longitudinal movement of article restraining bar 28 
{ TAIL ~ Clamp member } 76 is provided with pointed teeth 86 at opposite corners thereof which bitingly engage interior surface 84 of supporting { HEAD ~ rail } 12 thereby preventing longitudinal movement of article restraining bar 28
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH