He tightened until the box splintered into a noncohesive collection of fragments.

Mat's hand tightened on his purse until the coins inside grated together.

If I tried to interrupt or correct him, that grip would tighten until my bones creaked.

She tightened her fist around the ring until the stone bit into her flesh.

His fingers tightened until bark bit roughly into his palms.

He tightened his finger until the skin shone white in the candlelight.

Instead, his hands clutched the table edge, tightened there until their muscles strained.

The Father tightened his grip until her arms hurt.

Harry's fingers tightened on her shoulders until the grip hurt.

He did not order a new plan to tighten security until more specific evidence arose the next year, he said.