Decorative tuft of threads (6)
I believe the answer is:
tassel
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">decorative tuft of threads</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 tassel that I've seen before include "Bunch of cords as adornment" , "Hanging tuft of threads" , "Mortar board attachment" , "Bunch of cords fastened at one end" , "Hanging bunch of cords" .)