Cobbler's tool (3)
I believe the answer is:
awl
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cobbler's tool</span>' is the definition.<br/ ><span class="explanation-format__explanation">(type of tool used by cobblers)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for awl that I've seen before include "Using sharp tool" , "Something needed for boring jobs" , "it may be piercing" , "A boring thing" , "a boring person needs" .)