Slick tires - those with no tread pattern and a high contact area - were introduced in the 1960s and used until 1998.
The contact's high, set June 12, was 97.25.
It is the phenomenon of the contact high.
"I am still an American citizen with a number of high contacts who sympathize with our fight."
And vows, once taken, were extraordinarily difficult to get out of, unless one had high contacts or great wealth.
"It's a contact high from being in touch with other people who interest you," she said.
In Miami: "There was a little of everything: Good potential for a contact high.
He may have had a touch of contact high.
Just listening to it gives you a contact high.
Players may not make high or low contact during a shepherd, nor hold their opponents; free kicks should result from any of these infractions.