Take note: all inflatable jaw pads require an inflator pump, glycerin, and Specific helmet needle. Usually do not use an inflation needle with out glycerin as damage to The interior bladders could take place. These needles are the correct length, and should not puncture the liners if properly employed WARNING: https://adult-medium-speedflex85404.canariblogs.com/new-step-by-step-map-for-adult-medium-speedflex-45968498