CBS
Justin Miller, of Northridge, Calif. was injured in the spring of 2008 while driving his family's Rhino. Miller, 16 at the time, ultimately lost a hand mangled in a rollover.
CBS
Doctors at Stanford University Medical Center performed seven surgeries but were unable to save Justin Miller's hand.
CBS
Justin Miller's mother Edna, seen in the family's Rhino before the accident that maimed her son.
Courtesy Milton Grimes
Milton Grimes, a former sheriff's deputy who lives near Bakersfield, Calif., was injured in 2004 when he rolled his Rhino.
Courtesy Milton Grimes
Milton Grimes' leg is covered in scars after nine operations.
AP
Keisuke "Casey" Yoshida, president of Yamaha Motor Manufacturing Corp. of America; is seen third from left in a ribbon cutting ceremony in Atlanta in 2000.
CBS
Ichiro "Ike" Miyachi, former Yamaha Vice President in charge of Rhino Development. He was a passenger in the Rhino prototype that rolled over in 2002 and sustained a foot injury.
