
1) Cello bottom 2) Cello part 3) Cello peg 4) String instrument
Found on
https://www.crosswordclues.com/clue/endpin

The endpin or spike is the component of a cello or double bass that makes contact with the floor to support the instrument`s weight. It is made of metal, or in some cases wood or carbon fiber, and is extensible from the bottom of the instrument, and secured with a thumbscrew. Most bass clarinets and contrabassoons also have a similar fixture. ==T....
Found on
http://en.wikipedia.org/wiki/Endpin
No exact match found.