Asterisk is more known for its knee braces than anything nose related, but now they have released their long awaited AC SYSTEM. The Asterisk AC SYSTEM is a two-part magnetic nasal dilation device for use in all off-road motorcycling goggle. The purpose of this device is to enhance your nasal breathing ability. Science has shown that nose breathing is the only way to properly condition the air you breathe for optimum performance. The AC SYSTEM functions magnetically. The steel nasal attachments and magnetic goggle clips allow room to flare the nostrils, enhancing your ability to nose breathe beyond normal capacity.