Her eyes closed when his thumb brushed over her mouth.

When his thumb brushed against her left nipple, it hardened at once.

His thumb brushed over her nipple, bringing the skin to tight attention.

As a tear rolled down, her thumb brushed it back.

Then his thumb brushed over her mouth as if whatever he was about to say was no longer of import.

His thumb slowly brushed back and forth across her nipple.

His thumb brushed across the bow of her lower lip.

His thumb brushed across her knuckles in a long, slow sweep.

Her lips parted as his thumb brushed over them.

His thumb brushed the tiny ruby dragon's eye and the knife revealed itself.