You should check out every post written by Tiffany, for her numerous f/f tickling experiences at college in Mississippi.
I can relate the following from my own college days. Not very exciting from a tickling perspective, but very much so for foot fans such as myself.
Junior year I was living on the first floor of a dorm, in a three man suite. The second floor housed women, and there was a very cute woman living directly above us, who I'll call Alice. Alice went barefoot a lot, and had extremely beautiful feet. Unfortunately, she also had a boyfriend, but we did talk on a friendly basis. Her boyfriend did not attend the same college, and she would go off every Friday to visit him for the weekend.
One Wednesday evening she came to our suite to return a vacuum cleaner that she had borowed from my suitemate the day before. I was the only one home. Since I was drinking coffee, I offered her some, and she accepted. Sitting next to me on the couch sipping her coffee, she astonished me by putting her bare feet into my lap. (I guess she had noticed where I always looked, and decided to tease me.)
I put down my coffee, and slowly ran one finger the length of her sole, from her heel to the bottom of her toes. No laughter, only a slight wriggling of her toes. I did it a second time, same reaction.
"I'm not ticklish there," Alice said.
"But you wriggled your toes," I replied.
"That's just the Babinski reflex," she said. "You'll never make me laugh by tickling my feet."
Thinking that she was probably telling the truth, I nevertheless wanted an excuse to keep stroking her luscious soles. So I said this:
"I bet that you're just being stoic, and holding the laughter in. I bet that I could make you laugh, or yank your feet away, if I had five minutes to make you crack."
That made her laugh; she knew that I was excited just to be allowed to touch her lovely feet.
"Give me your watch," she said, "but you didn't say how much the bet was. I'll do it if you'll bet ten dollars."
[Note: This was 1970. That was a lot of money to a college student at that time. Perhaps the equivalent of fifty dollars today.]
I hesitated, and Alice wriggled her bare toes at me. She knew she had me. I gave her my watch, and she told me when to start.
I was in heaven for five minutes. I leaned in for a close view of what I was doing, which was stroking and stroking her lovely soles, and playing with her perfect toes.
She just sat there, smiling, and told me when each minute had gone by. She took the $10 with a big smile, and pretended not to notice that I had a large bulge in my pants.
We remained on friendly terms, but she never came by when I was alone again, and she never spoke of the incident.