Dog's lead (5)
I believe the answer is:
leash
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">dog's lead</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 leash that I've seen before include "Three animals" , "Strip for leading, a dog say" , "Dog lead" , "Rope used to restrain an animal" , "Animal restraint" .)