Lets go of (4)
(Other definitions for cans that I've seen before include "Metal containers" , "Headphones" , "Tins" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">lets go of</span>' is the definition.<br/ ><span class="explanation-format__explanation">(unhanding is a kind of letting go of)</span><br/ ><br/ >This is the entire clue.<br/ ></span>