Maybe you’re thinking about getting a dog to help find wounded deer for yourself and your crew of hunting friends and family. You might even want to learn how to train a blood tracking dog yourself.

There’s so much that goes into training dogs, though—including how to train a puppy, learning how to decode dog behavior and teaching dog commands.

From inexpensive halter-style collars to sophisticated e-collars, these training tools can help shape your pup’s behavior, and even save his life.