Related Clues:

• Gobs
• Shellbacks
• Services, in a way
• Works at the Met
• Canvas cover
• Takes care of the squeaky wheel
• Tars
• See 38-Across
• Swabs
• Some paintings
• Portraitist's medium
• Preserves, as pork
• Smelling ___
• Rembrandts, e.g.
• Squelches a squeak