Bell Bullitt Speedway Helmet
Helmet use on the rise in rodeo – Orange County Register
Rodeo doctor helps make tough-it-out sport safer
Mason Lowe, professional bull rider, dies after suffering injuries at National Western Stock Show event
Helmets don't help pro bull riders stave off concussions – Greeley Tribune
More bull riders accepting protective gear
Arizona's Newest Professional Sports Team, PBR Bull Riders! - Signals AZ
The Alberta teen trailblazing her way through the sport of professional bull riding - The Globe and Mail
Bell Bullitt Speedway Helmet
Ten-Gallon Garden: Professional Bull Riders Buck Into Town With Spurs On Their Boots