Bit of a scrap (5)
I believe the answer is:
piece
I believe this clue is a double definition.
'bit of' is the first definition.
(I've seen this before)
'a scrap' is the second definition.
(thesaurus)
(Other definitions for piece that I've seen before include "that may follow show after work party?" , "Musical work; bit" , "Chessman - part - firearm" , "Morsel" , "Portion, coin, item" .)