Where did the BAR on slot machines come from?

What is the meaning of BAR on the slot machine? bar slot machine POKER BAR · PREMIER SLOT SALON BAR · LOBBY BAR · ILLUSIONS ULTRA LOUNGE Shark's Lock Slot Machine Play it now! SEE DETAILS barong slot Watermelon The inscription BAR Lemon, horseshoe One two and three bars of gold Isolated on white background Vector

barca slot Center Bar Food & Drink Betting · Caesars Sportsbook On over 78,000 square feet we offer more than 25 table games and approximately 1,000 slot machines