Tightly clenched fingers and a cat. (4, and, 3)

Cryptic text:

Tightly clenched fingers and a cat.

Format of answer:

(4, and, 3)

Clue

You punch with it. Jacob Rees-****, a conservative politician.

Solution

Mist and fog

Method:

Fist and Mog
Mist and Fog

Submitted by:

@CrypticSpooners