{HEAD ~ A selectively releasable ground securing device} that includes a ground member, {TAIL ~ a clamp body}, and a lock assembly that selectively cooperates with the ground member to secure the clamp body relative thereto 
includes
{ HEAD ~ A selectively releasable ground securing device } that includes a ground member , { TAIL ~ a clamp body } , and a lock assembly that selectively cooperates with the ground member to secure the clamp body relative thereto
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL 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