I believe channel is about sex in general, here they are talking about some of the erogenous zones. They caress the mentioned areas of the body with a small feather.
Brunette has her stomach/navel tickled at 1:45 and blond has the back of her knees and knees tickled at 3:22 (alas, with not much of a reaction) and gets tickled in the armpit area at 4:33 (with proper reaction):
https://www.youtube.com/ watch?v=hwcsCBFJdnw&t=307s
Brunette has her stomach/navel tickled at 1:45 and blond has the back of her knees and knees tickled at 3:22 (alas, with not much of a reaction) and gets tickled in the armpit area at 4:33 (with proper reaction):
https://www.youtube.com/ watch?v=hwcsCBFJdnw&t=307s
