A-frame: The A-frame is a pair of planks joined in the middle at an angle so that they resemble the peak of the letter A. There are “contact” areas indicated by contrasting colors which are painted on the frame and dictate where the dog must step. The dog must go up one side and down the other, contacting the plank in the right places on each side.
Clicker training, a common form of positive reinforcement, is a simple and effective dog training method. Although it is still fine to train your dog without clicker training, many people find it helpful. With clicker training, you can easily and effectively teach your dog all kinds of basic and advanced commands and tricks. It's fast and easy to learn how to clicker train your dog