Generally speaking I try to refrain from agreeing with comments like 90% or more of the tickling videos are fake. I suspect there is a fair amount of exaggeration but not necessarily fake. However, every time I see a video where someone is being tickled by another person’s feet it is not believable to me. Perhaps a long shot scenario where someone is already being tickled and is in somewhat of a laughing frenzy and then it was switched to being tickled by feet then maybe.