Read the text carefully before you're thinking it's something else and that most males have it. It may not necessarily be useful for airsoft, but who knows? Airsoft players might want it... "Bison Armory is proud to introduce its latest innovation to the tactical rifle market, the FOREARM SKIN (Patent Pending) - a flexible but rugged cover that quickly zips securely around the forearm (and any rails) of an AR-15 platform rifle.