Fibrous fluff on a tennis ball which helps the ball slow down and allows players to control it better

Car fuel3 Gift of the ___ (orator's talent)3 "Have you ___ wool?"3 Have a spring in one's ___4 Gave food, say3 Amounts paid by bus passengers5 ___ Gold, "The Good Wife" character3 Tiny indents on a golf ball that provide control of the ball's trajectory, flight, and spin7