to earn a JC you run a two JC trials, which are just a single run, by yourself. You could run Sat and Sun and potentially earn a JC. Running JC is a good way to learn.
Really fast coursing
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http://shine.yahoo.com/animal-nation/dogs-cheetahs-unlikely-friends-185400115.html
around 1.30 there is lure coursing.
cheetah style -
WOW way kewl!
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Thank you for sharing that. I enjoyed it.