Remain attached (6)
I believe the answer is:
adhere
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">remain attached</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for adhere that I've seen before include "Stick like a stamp" , "'Stick to, a play say (6)'" , "Keep" , "Stick - join" , "Stick to, remain loyal" .)