Wiktionary
dab hands
n. (dab hand English)
Usage examples of "dab hands".
There's other times and other places that would properly appreciate two pair of dab hands with the garrotting wire and the boning knife.
They'll still be up and about and they're dab hands at the underground stuff.
Men are so rarely dab hands in this sort of exercise, for their enthusiasm for a different kind of sport soon overtakes them.