Zico’s helmet holder, model UHH-1, has been tested to 9 g’s and complies with the 2009 edition of NFPA 1901 for use inside of crew cabs. It holds both traditional and contemporary style helmets without any adjustment needed. To secure the helmet, simply slip the helmet’s hook onto the mount and pull the strap over the crown. Removing the helmet is as simple as pulling the strap down and lifting the helmet up. Mounting hardware not inclued, patent pending.