You would help them by manipulating their other erogenous zones. The body parts they prefer are specific to them. If they’ve never done it before it’s a trial and error thing because each person is different. Additionally the sensations change with other sensations, both mood and physical sensations.
Nipples
Ears
Feet
Sides
Back
Belly
Hips
Butt
There’s more.
Sometimes the sensation will change from ticklishness to sexy when someone is masturbating. The trick is to try things once in a while and really listen and tell if it’s working. There’s generally a 1 to 2 second gap before they can react to whatever you’re doing.. Listening to your partner and reacting is a form of communication in addition to the discussion you should already have when setting this up.
Your experience may vary.
Also, is this actually sex? Yeah. It might be. But it carries the least amount of risk of anything beyond voyeurism.
For one, you can look where you’re going which gives you a chance to identify sores.
For two you’re not as likely to make blood contact.
For three, you can wear gloves which are softer than your own hands and they will also protect you from disease. Yeah. It’s still pretty intimate.
