Genesis 27:21

(21) Come near . . . that I may feel thee.—Besides the answer, in a style very different from Esau’s way of thinking, Isaac was surprised at the short delay in bringing the savoury meat; for the game had to be sought at a distance away from the cattle-pastures. Though, too, the voices of the twins had a certain degree of similarity, yet they would also have their peculiarities, and Isaac detected the difference. But the artifice of the kid-skins fitted, no doubt, cleverly to Jacob’s hands and neck saved him from detection; for after Isaac had passed his hands over him, his doubt entirely vanished.