Fancy marbles (4)
I believe the answer is:
taws
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fancy marbles</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for taws that I've seen before include "Flogs" , "leather strap" , "Raise the strap" .)