The librarian has all the information 'at his fingertips'.
He tapped on the tabletop with his 'fingertips'.
He is a gentleman 'to his fingertips'.
(..) He enlightened, that fella, eh? And I watched Maui catch the sun, seize the day with a magical net of woven flax, even witnessed Maui charm flames from the very fingertips of the Goddess of Fire and her retaliate with breath of fire like a dragon in hot pursuit. Been busy, eh? Yes. (..)2014 The Dark Horse