I would think nothing, since by the time they would be close enough to touch her, she would have looked them in the eye and turned them to stone.
ask medusa.
Medusa could turn people into stone.
Fine.
Aphrodite turned Medusa into an ugly beast we people said Medusa was prettier than her
Medusa can turn people who meet her eyes into stone.
There is no proof that Medusa could not help but to turn people to stone.
Medusa didn't "want" to do that; it was her nature.
unsafe
When touched, eyeballs feel soft and squishy, similar to a grape. They are delicate and sensitive, so it is important to be gentle when touching them.
Also, Medusa was pregnant before Athena changed her. So when Perseus chopped off the neck of Medusa, Pegasus and Crysaor escaped from the body as Poseidon's and Medusa's children. I feel sorry for Medusa, being raped!
None have survived to say.
Medusa was famous for being able to turn people or animals to stone.