Knob on a viola (3)
I believe the answer is:
peg
(Other definitions for peg that I've seen before include "Clothes line fastener" , "The woman" , "Projecting pin" , "This leg is artificial" , "Clip for hanging washing" .)
I believe the answer is:
peg
(Other definitions for peg that I've seen before include "Clothes line fastener" , "The woman" , "Projecting pin" , "This leg is artificial" , "Clip for hanging washing" .)