Awkward ridge gets left in waistbelt (6)
I believe the answer is:
girdle
'waistbelt' is the definition.
(I've seen this before)
'awkward ridge gets left' is the wordplay.
'awkward' indicates an anagram.
'gets' is an insertion indicator (gets can mean captures or absorbs).
'left' becomes 'l' (common abbreviation).
'ridge' with letters rearranged gives 'girde'.
'girde' going around 'l' is 'GIRDLE'.
'in' is the link.
(Other definitions for girdle that I've seen before include "Waist cord; corset" , "Close-fitting foundation garment" , "Belt, corset" , "Female undergarment" , "CLOTHING" .)