At one point, the spring element 44 is able to overcome {TAIL ~ the restraining force} applied by {HEAD ~ the shape memory material release mechanism} 48 and releases itself, goes to its free state and in doing so it creates a path by fracturing, cracking, puncturing, peeling, tearing, shearing, or otherwise forming a path through shell 42 
At one point , the spring element 44 is able to overcome { TAIL ~ the restraining force } applied by { HEAD ~ the shape memory material release mechanism } 48 and releases itself , goes to its free state and in doing so it creates a path by fracturing , cracking , puncturing , peeling , tearing , shearing , or otherwise forming a path through shell 42
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH