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