{HEAD ~ The devices} have {TAIL ~ a body} with a button member extending into the body and having protrusions locking therein using a form of bayonet lock 
have
{ HEAD ~ The devices } have { TAIL ~ a body } with a button member extending into the body and having protrusions locking therein using a form of bayonet lock
HEAD HEAD HEAD HEAD HEAD HEAD REL 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