Sometimes a LCD / TFT monitor will have one or more pixels that are not working. These will remain a certain color or be black or white, but won't display colors dinamically like the rest of the screen. There's nothing you can do about them yourself, but normally manufacturers will give you a refund.
Melee weapon consisting of a piece of brass cast in a shape similar to four soldered rings through which you introduce your fingers. It also has a handle, so that you can grab it properly and use it to punch someone.
Of course, you begin the game unarmed and will actually spend a considerable length of time fighting either unarmed or with hand-to-hand weapons, including various shivs, knuckle-dusters, and clubs.