Shock or vibration to {HEAD ~ device} 10 resulting in movement of plates 16 translates into a tightening action of clamps 22 on {TAIL ~ plates} 16 
Shock or vibration to { HEAD ~ device } 10 resulting in movement of plates 16 translates into a tightening action of clamps 22 on { TAIL ~ plates } 16
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH