1.   He dug his fingernails into the raw itchiness along his part.

2.   She dug her fingernails into his arm.

3.   For how long has she been walking across the White House lawn, holding the presidential hand and looking cozy while digging her fingernails in deep?

4.   The boulders underfoot were slick with moss, and I tried to steady myself by digging fingernails into rocks.

5.   The feeling led her to repeatedly dig her fingernails into her arm.