Additional items (6)
I believe the answer is:
extras
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">additional items</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 extras that I've seen before include "Additional items surplus to requirements, spares" , "Add-ons" , "5 [BYE BYE]" , "Bit players, actors without dialogue" , "Inessentials" .)