Sour candy (jolly rancher), peppermint. Dark chocolate. Allowing m and ms to totally dissolve in my mouth before swallowing.
Ice cubes on inside of arm
Essential oil under my nose, or a slice of lemon, or menthol
Counting: start with a color, find something that is that color. Then another one. Then back thru the first two and find a third. Then back thru the first three and find a fourth.
Four square breathing, where you inhale for a count of 4, hold for a count of 4, exhale for a count of 4, hold for a count of 4. Repeat.
Concentrating on feeling the chair that I am sitting on, where it touches me.
Rubbing lotion on my hands, feet or arms
Drinking really cold water