clamp down

Then his mind seemed to clamp down on itself, and he was unconscious.

Run the clamp down to the pile, place a card or fiber template on top of the pile in front of the clamp.

Mikah relaxed and Jason removed his hand slightly, ready to clamp down if the other's voice rose above a whisper.

The bigger the market – the more pressure is applied to clamp down on the samizdat entrepreneurs.

He tied his apron carefully and sidled toward the table to oversee the situation and clamp down a lid if necessary.

An' his laugh would sort o' clamp down soft on a joke an' make it double funny.