TURKEY: Getting under my skin

I confuse easily and at times I feel ignorant. The caption for the picture of the sage roasted turkey on Food and Health section Wednesday is not helping. It reads in part "This turkey recipe uses minced sage to softened butter, which then is rubbed both UNDER and over the bird's skin" (emphasis added). Can someone tell me how to get under the bird's skin to rub on the butter?

RALPH HALLOCK

Hayden