The spring element 44 of FIG 4 is held in {TAIL ~ the restrained position} by the shape memory material release mechanism 48 that has been deformed in the martensitic state to form of {HEAD ~ a hook} or loop 
The spring element 44 of FIG 4 is held in { TAIL ~ the restrained position } by the shape memory material release mechanism 48 that has been deformed in the martensitic state to form of { HEAD ~ a hook } or loop
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL 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 HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH