"Magic": Johnson, Roads, and Hayward
LetsRun.com's Track Talk Subscribe with 8 hours ago (Sponsor) The AIRWAAV Performance Mouthpiece is a relatively new training tool that launched late in 2020 after nearly 16 years of research. The AIRWAAV performance mouthpiece fits along your bottom teeth and pushes your jaw just forward enough to create the “optimal airway opening,” resulting in: Increased endurance — by reducing respiratory rate by 20%, resulting in less lactic acid production Increased strength — by improving muscular endurance Faster recovery times — by reducing cortisol build-up by up to 50% The "magic" re...