Steve Davis and CBBC's Hacker T Dog give their somewhat different interpretations of the rules of snooker before the World Snooker Championship.
BBC Sport will bring you live coverage of the 2015 World Snooker Championship from Saturday, 18 April across BBC TV, Red Button, connected TVs, online, tablets and smartphones. Viewers can also watch live coverage of both tables at the Crucible via the BBC Sport website and connected TV. Dedicated streams will be on hand until Thursday, 30 April, when the tournament goes down to a single table.
The BBC is also hosting a festival of live programmes and free events to celebrate the World Snooker Championship across the city of Sheffield. For information on free tickets to these programmes and more, visit the BBC Shows and Tours website.