Henrietta spent hours taking care of those nails, touching up chips and brushing on new coats of polish. She’d sit on her bed, polish in hand, hair high on her head in curlers, wearing the silky slip she loved so much she hand-washed it each night. She never wore pants, and rarely left the house without pulling on a carefully pressed skirt and shirt, sliding her feet into her tiny, open-toed pumps, and pinning her hair up with a little flip at the bottom, “just like it was dancin toward her face,” Sadie always said.
The Immortal Life of Henrietta Lacks by Rebecca Skloot
Does this mean giving a little shake with her fingers? I can't visualize this.