The device is a cage made from high security steel cable that opens to admit the helmet to be captured therein and closes around {HEAD ~ the helmet} to secure {TAIL ~ the helmet} within the cage 
to secure
The device is a cage made from high security steel cable that opens to admit the helmet to be captured therein and closes around { HEAD ~ the helmet } to secure { TAIL ~ the helmet } within the cage
OTH OTH OTH OTH OTH 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 REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH