I have a 9 month old pup thats grand pup to the Bonners Scooter hound thats also doubled jimmys ziplock b. on the bottom that is a deer machine to be so young.jumping and running his own game.fast and will run with no help,with good feet.last week he ran for 18 hours before i could get him up,and he was still pulling at the leash to go.wasnt very sore the next day like the rest of my hounds.he will be going to some hunts in the 2009 year when i finish getting him ready.