Related Clues:
- Portraitists' buys
- It may be struck in a field
- Picasso medium
- Vinaigrette ingredient
- Olive and canola
- Slick material?
- Squeak eradicator
- Stuff to fix a squeaky hinge
- Stuff applied to a scalp
- Adds lubrication
- Adds lubrication to
- See 34 Down
- Grapeseed or sesame
- Works in a studio, say
- It may be crude or refined