Today's GB - Musselburgh Horse Racing Picks

Stewards

The officials watching every race at a meet to enforce the rules.

Bolt

A sudden veering to the inside or outside rail, often caused by the horse spooking or shying from something.

Superfecta

A wager involving choosing the first, second, third, and fourth horses in one race in the exact order. A superfecta box involves paying more to ensure they can finish in any order in the top four spots.