Things to worry over (5)
I believe the answer is:
beads
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">things to worry over</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 beads that I've seen before include "Small balls for threading on string" , "Small balls with holes through the middle" .)