Camper's fastener (4,3)
I believe the answer is:
tent peg
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">camper's fastener</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for tent peg that I've seen before include "will hold a guy down" , "Camping equipment" , "A guy could get attached to that" , "Securer for marquee" , "one often found pinning a guy down" .)