Which preposition to use with skilfulness

in Occurrences 2%

It is only a little leap, but it impresses your illogical minds as no skilfulness in the voltes and no haute ecole airs could do, for leaping is the crowning accomplishment of riding in the eyes of all your male friends except the cavalryman, and when he returns to the reception room, you linger in the hope of a little lecture, and you are not disappointed.

of Occurrences 1%

"He guided them by the skilfulness of his hands.

Which preposition to use with  skilfulness