If your dog is lip-licking during a training session, it's probably best to find a way to quickly end on a positive note (ask your dog to do something he knows and wrap up the session). Next time, break down the action or behavior into smaller segments so it's easier for your dog to learn.
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The Wimberley WH-200 Gimbal Tripod Head II with Quick Release Base is a gimbal-type tripod head that incorporates an elevated tilt mechanism and adjustable platform to make the camera/lens' center of gravity and tilt axis of the head be perfectly aligned.