Do you need to prime a canvas for oil painting?

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Tags

1. #poorly
2. #leave
3. #patches
4. #really
5. #applying
6. #gesso
7. #about
8. #priming
9. #colour
10. #canvas
11. #surface
12. #stand
13. #painting
14. #colours
15. #primed
16. #layer
17. #using