Rex Trailer was born in Fort Worth, and raised just outside there. He spent summers at his grandfathers quarter horse ranch in Thurbur, Texas. While there, he owned his first horse. The hands on the ranch were rodeo riders, and taught him how to do trick roping, handle a bull whip, and play guitar. Trailer was also a square dance caller, and sang with a group called "The Rambling Rustlers". Eventually, he joined a rodeo, and while on tour, met movie star Gabby Hayes. He was hired to work at Haye ...