For hyper puppies you might need to use a small choke chain collar so they will not pull too much. Nylon collar or small choke chain collar, and a braided leather leash with brass snap. Also a leather harness with chest padding when you work in Agility or Tracking. A nylon harness and a 20 ft. Don't say I didn't warn you.
Lets go over the list again.
Cotton training leash when working in water You can find all of this equipment at a pet store, or through a pet catalog. I buy all of my leather equipment from Cross Wind Shepherds , although you can buy it from several different places on the net, look for links to different pages on my dog links page.