Family K9 Dog Training demonstrates the training of the french ringsport object guard.
Nick Zevgolis' dog Hyper is 1 yr old in these clips and learning the object guard and which he must stay with his object - and watch the decoy - he is allowed to bite only when the decoy is close enough and must release and return to his object after the bite.
It involves so much more than just making a dog aggressive. The dog should be stable and social, highly obedience trained and the methods used should emphasize stability and control. There are many dog trainers out there make sure you are trusting your dog to the right one - your safety and that of others may depend on it.