Counterfoils (5)
I believe the answer is:
stubs
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">counterfoils</span>' is the definition.<br/ ><span class="explanation-format__explanation">('stub' can be a synonym of 'counterfoil')</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for stubs that I've seen before include "residual pieces" , "Butts" .)