Ask for clear, enthusiastic consent first
Make sure both of you are adults
Wash your hands and trim/file your nails smooth
Use clean hands and consider using a water-based lubricant
Start with kissing, touching, and other non-penetrative foreplay
Pay attention to her verbal and nonverbal reactions
Begin gently with external touch around the vulva
Use slow, light motions at first
Increase pressure or speed only if she seems to want it
Focus on what she responds to, not a fixed technique
Keep communication open and check in if needed
Stop immediately if she says no, seems uncomfortable, or wants to stop