Clothing made with bits of decorative stitching (4)
I believe the answer is:
vest
'clothing' is the definition.
(vest is a kind of clothing)
'bits of decorative stitching' is the wordplay.
'bits of' indicates a hidden word.
'VEST' is hidden within 'decorative stitching'.
'made with' acts as a link.
(Other definitions for vest that I've seen before include "Waistcoat (in N. America)" , "Garment under a shirt" , "Waistcoat (in USA)" , "Thesaurus compiler" , "Undershirt, singlet" .)