I need to start a puppy training insignificant. ? l is old German Shepherd? of 8 weeks, I know s? I have the 'j? venes s of, but I want to start early. • You work training CAJ? N? My friend told me to leave? borrow theirs, I just need to know if it works. ? O cu? L m is some other? All insignificant in the training? • Any Info work? On big! Thanks for your time!