Arm band (8)
I believe the answer is:
bracelet
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">arm band</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for bracelet that I've seen before include "Item of jewellery on wrist" , "Ornament - handcuff (slang)" , "Arm jewellery" , "Might Bel react badly to this jewellery?" , "Jewellery worn around the wrist" .)