{TAIL ~ The spear and spear mount} is detachable to enable the frame to accommodate {HEAD ~ other application mounting member} 
{ TAIL ~ The spear and spear mount } is detachable to enable the frame to accommodate { HEAD ~ other application mounting member }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD