Shielding your eyes from finger pokes, airborne particles and objects. Helps to increase player confidence on the field and improve game concentration and also reduces the risk of head or neck injuries caused by face mask grabbing. How to Install Video Link: https://youtu.be/HjVovjrkG4w ***FOOTBALL: Application on Youth XS and S helmets may be difficult but we have found is possible. It just requires adjustment and patience.*** LACROSSE INSTALLATION: 1) Place visor on Inside of facemask, will require bending & flexing of visor into facemask. 2) Insert visor all way to top, make sure visor is centered on mask & helmet. Left & right tabs should reach maximum height inside the helmet. 3) Attach clips to visor & facemask, but do not tighten yet! 4) KEY STEP: Pull / Tilt Bottom of visor upwards, as close to inside of facemask as possible. 5) Hold visor in Updward position Now tighten the clips. 6) Visor should be Tilted at angel with bottom of visor as close to facemask & top of visor inwards to allow for more room for face inside of helmet).