Actually, they wipe with their hand, their left hand. Moslem’s never touch a persons left hand.
When a thief has his hand cut off it is a real problem. He will never be able to touch a person again.
Moslems will tell you they are cleaner because the use water to clean their butt after pooping, they just use their left hand to apply the water.
They don’t trust toilet paper to get them clean.
If it's that water proof sand paper they put in restrooms in Germany neither would I. Worse than the pages of the Montgomery Ward catalog my grandparents put in the outhouse back on the farm.
No, the command to use stones is in the Koran, but I think it only applies when you are not near a water source. Then, you are supposed to use the stones, and wash with water later.