You cant i have searched everywhere and you just cant.
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In town at the first shop you come to after entering town has
all the supplies. To get to town walk down your "driveway".
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Probably Best Buy
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To ride on the trails on the game Pet Vet Paws and Claws walk up
to a horse to get on it. Then ride to a fence and jump over it then
head to the trails and ride.