Corn-cutting tool (6)
I believe the answer is:
sickle
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">corn-cutting tool</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for sickle that I've seen before include "Tool for cutting grain" , "Reaping hook" , "Farmer's hook" , "Corn-cutting blade" , "Farm implement" .)