We speak with Ainsworth about their Rumble Rumble Bison Slot Machine, which is an take off of their very popular player favorite Rumble Rumble Slot. Ainsworth says that the Rumble Rumble Bison Slot Machine “…highlights the brand-new Curved Reel series…” as a “Spin Symbol” on reel 5 triggers a curved wheel above the game screen. That reel awards players with wilds! We speak with Ainsworth about their Rumble Rumble Bison Slot, which is an take off of their very popular player favorite Rumble Rumble slot. Ainsworth says that the Rumble Rumble Bison slot game “…highlights the brand-new Curved Reel series…”…