Draw out by effort (6)

I believe the answer is:
winkle
(Other definitions for winkle that I've seen before include "Edible shellfish" , "A sea creature" , "Gastropod" , "Small mollusc" , "Spiral-shelled mollusc" .)
I believe the answer is:
winkle
(Other definitions for winkle that I've seen before include "Edible shellfish" , "A sea creature" , "Gastropod" , "Small mollusc" , "Spiral-shelled mollusc" .)