Minus Pool
A pari-mutuel pool – typically a show pool - where one horse is so heavily bet that after deductions there is not enough money left to cover the prescribed minimum on each bet.
Claiming Race
A race in which horses are entered for a certain price, or claiming tag, which is also their sales price. An owner can claim any horse entered for the tag before the race begins, and owns them as soon as the gates open.
Blinkers
A hood worn on a horse’s head to limit side vision, which can improve concentration. Blinkers are added or removed to relax a horse or give it more focus.