No experience - just what soothed me.
Gentle - soft scratching of my back. Mom would do this for hours (at least it seemed like it).
Strangely enough, they have found that when a person is scratched the areas of the brain that have emotional memories is not as active during scratching...bit I could just be reading my own feeling in it.
How Scratching An Itch Affects The Brain
Kind regards,
Dickons