Skittles (sport) of them, depending upon game variant. Exact rules vary widely on a regional basis. Also known as Old English Skittles, the Greater London version uses nine pins (made of hornbeam) and a cheese. The cheese is thrown at the pins using a swinging motion whilst stepping forwards. After an initial throw, the remaining pins (the 'broken frame') may end up in a variety of formations - each of which has a distinctive (and usually London-based) name, such as a London Bridge or a Portsmouth Road. Knocking down all the pins at once is known as a 'floorer' and is highly
Billiard ball viewers. Coin-operated pool tables such as those found at bars historically have often used either a larger ("mudball") or denser ceramic weighted cue ball, such that its extra weight makes it easy for the cue ball return mechanism to separate it from object balls (which are captured until the game ends and the table is paid again for another game) so that the cue ball can be returned for further play, should it be accidentally potted. In Asia and Europe, some pool tables use a smaller cue ball instead. Modern tables usually employ a magnetic ball of regulation or near-regulation