This would be another thread of personal interest: Massage that involves intentional foot tickling. Obviously I prefer the subject to react ticklishly, but it's good enough for me just to see it happen.
youtube.com/watch?v=UuJssIifCiU (especially the second half when they switch roles, you get a clear view of the soles and the massager tickles her routinely - little reaction)
youtube.com/watch?v=UuJssIifCiU (especially the second half when they switch roles, you get a clear view of the soles and the massager tickles her routinely - little reaction)
