cosh

A weapon made of leather-covered metal similar to a blackjack.

A blunt instrument such as a bludgeon or truncheon.

The cane.

There is no need here to digress on the advantages or otherwise of using a 'cosh' in schools […]

Often, he walked around the room with the cosh in his hand, taking slashes at legs that happened to stray sideways […]

To strike with a weapon of this kind.

cozy; snug