Pro stunt cyclist Chris Clark to wow crowds at Schwenkville Community Day - Montgomery Media
Clark began his cycling career at age 12, when he began competing in events and rigorous training practicing all aspects of his riding. He also studied the cycling videos of legendary as well as dog safety and therapy demonstrations, a puppet show

The Old Trainer: When your dog herds houses - Merced Sun-Star
The library is full of free videos and books that cover every facet of training, but if you feel an irresistible impulse to pay for a video, buy one from the Dog Whisperer or any other company that is up front with their offer.