The glare-reducing stick is designed to reduce glare from the sun and use bright light. However, it is convenient to apply a stick that can be applied to black and paste directly below the cheekbone. We conducted research to split bjorksten laboratory bit7, INC. Significantly shows that the eye black is working, does not glare, and is effective and effectively reduces glare from bright colors to light and sun in the stadium. All levels of serious athletes agree