A muscle ticked beside his left eye.
A muscle ticked in the old man's jaw.
Parnell's jaw clenched and a muscle ticked along his jaw line.
Still, there were indicators: Omen's jaw was set, and a muscle ticked below his right eye.
A muscle ticked in the firm Aviaran jaw.
Briefly, a muscle ticked in her jaw.
A muscle ticked in Del's left cheek.
A muscle ticked in his cheek, marking time as he took in the news.
A muscle ticked at the corner of his mouth.
His mouth flattened, and a muscle ticked in his jaw.