A tool for pounding (6)
I believe the answer is:
pestle
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">a tool for pounding</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 pestle that I've seen before include "It grinds in a mortar" , "Kitchen item" , "Club for grinding" , "Grinder for mortar" , "Mortar's partner?" .)