Observe: all inflatable jaw pads need an inflator pump, glycerin, and Distinctive helmet needle. Don't use an inflation needle without the need of glycerin as damage to the internal bladders could arise. These needles are the correct size, and should not puncture the liners if properly used WARNING: Product or https://erickyaayl.popup-blog.com/30353639/detailed-notes-on-adult-medium-speedflex