Provider of premium Upper Cervical Chiropractic care. Using a specific analysis, we adjust the Atlas (the bone at the top of the spine) using a gentle sound wave. There is no cracking or popping. EPIC is a technique that focuses on the alignment of the top of the spine. Joint Clearing technique is used to clear away scar tissue in the joints. The Rapid Release is a handheld device that vibrates at a specific frequency.