She looked down at her hands and he saw they were clenched tight.

My teeth were clenched tight, but I forced the words through them.

I couldn't let go of the handle; my fingers were clenched tight.

Even her teeth were clenched tight; she could barely speak.

The muscle in his jaw clenched tight enough for me to see it.

Hunter didn't say a word, though his jaw was clenched tight.

His hands clenched tight, and a tear rolled down from the corner of each eye.

I put a hand on his good shoulder, and felt the muscles clenched tight with strain.

He saw the muscle at the corner of her jaw, clenched tight.

She stretched, then, fully back in the body, and noticed that her right hand was clenched tight.