What's a gimp mask?

Related questions

1. What is a gimp mask used for?
2. Do photographers use Photoshop?
3. Can Gimp handle 16 bit images?
4. Is Lightroom or Photoshop better?
5. What is the difference between Gimp and Photoshop?
6. What is Gimp in Ubuntu?
7. Can gimp open RAW?
8. Can I buy Photoshop without a subscription?
9. Is Lightroom better than iPhoto?
10. How do I export an image from gimp to Darktable?

Tags

1. #sexual
2. #likes
3. #rubber
4. #physically
5. #dominated
6. #disabled
7. #person
8. #fetishist
9. #leather
10. #dresses
11. #chains