Observe: all inflatable jaw pads call for an inflator pump, glycerin, and special helmet needle. Do NOT use an inflation needle with out glycerin as harm to The interior bladders could come about. I made use of zip ties and it's got labored just wonderful furthermore you could find them https://riddell-speedflex-adult-l91627.bloggazzo.com/30304375/speedflex-adult-large-an-overview