Yoga instructor – an unusual reaction

At this clip: foot tickling (by hands, with an oil, a hair comb), static camera.
This young girl (20 years old) works as a yoga instructor. She has big beautiful eyes and pretty feet. She tries tickling for the first time.
She sits on the couch with her legs and hands securely tied. At the same time, she feels comfortable enough in this position.
So, I start tickling her feet, first with my hands. Her reaction was cool: she reacts funny, laughs and moans, you can see lots of emotions on her face. Sometimes it may seem that she is very close to orgasm.
When I started to lubricate her feet with an oil, she said: “I can react very unusual.” So I said, “Don't hold back.” The next moment she rolls her eyes, jerks, laughs and moans at the same time. I love such reaction and facial expressions like she does.
Perhaps the feet are her erogenous zone. She is ticklish but experiences pleasure from that too. And tickling with a hair comb completely drives her crazy!
Enjoy