Even now, a knot of ruthless resolve tightened inside him.

The knot that had never left her stomach tightened.

Maggie understood enough to feel the knot of fear tighten in her stomach.

"Two minutes to go," he said, feeling the knot in his stomach tighten.

The knot tightens when loaded at (pulled by) the standing part of the line.

Lissa heard the slam of his car door, and felt the knot inside her tighten.

This will keep your hands free, and the knot won't slip or tighten.

The knot is progressively tightened when the free ends are pulled.

Caroline pressed a hand to her stomach where the knot was tightening.

Rachel felt a knot of terror tighten around her heart.