The best solution here is to start at an early age. A kitten will usually accept brushing more readily that a grown-up feline with no previous experience of grooming. If your cat is past childhood age, there are still several ways in which you can make grooming sessions more enjoyable for her. Using a healthy treat in pieces, a tiny bit during the process, and a bigger one after successful cooperation is a widely accepted practice.
Brush material is also key. Make sure whatever tool you’re using doesn’t feel scratchy. It’s also important to use the right technique, avoiding areas that your cat prefers to keep to herself at the beginning of the session. Finally, make sure you’re in the right mood, and the atmosphere is calm, with no sudden and/or loud noises to distract your kitty.