A knob 52 is integrally attached to {HEAD ~ the fastener} 48 at the end thereof opposite the washer 50 for allowing {TAIL ~ a user} to regulate the fastener displacement between the second arm 44 and the shelf 62 
for allowing
A knob 52 is integrally attached to { HEAD ~ the fastener } 48 at the end thereof opposite the washer 50 for allowing { TAIL ~ a user } to regulate the fastener displacement between the second arm 44 and the shelf 62
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH