{HEAD ~ Leg} 221 of {TAIL ~ the metal} 2×4 would be attached by fasteners to extension 77, and screw can be driven through end tab 82 into base 232 
of
{ HEAD ~ Leg } 221 of { TAIL ~ the metal } 2×4 would be attached by fasteners to extension 77 , and screw can be driven through end tab 82 into base 232
HEAD HEAD HEAD HEAD HEAD OTH 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