Knuckle Duster Mug

The mug in the image is called a knuckle duster mug.

Here is a description of the product:

• It is a white mug with a handle shaped like a knuckle duster.
• Knuckle dusters are weapons typically made of metal, with finger holes designed to fit around the knuckles.
• The mug is made of ceramic and the handle is shaped to resemble a knuckle duster but is not a real weapon.
• The mug likely holds around 8 ounces of liquid, similar to a standard coffee mug.

This mug is a novelty item and is not intended to be used as a weapon. It can be used to hold hot or cold beverages.