The holding device is connected to {HEAD ~ the body} and has a linking arm, a mounting jacket, a bottom cap, a positioning shaft and {TAIL ~ a locating spring} 
The holding device is connected to { HEAD ~ the body } and has a linking arm , a mounting jacket , a bottom cap , a positioning shaft and { TAIL ~ a locating spring }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL