●Designed for right-handed users, the Mach Adjust extension can switch between 9 different settings for a custom fit ●Attaches to the ear flap of the helmet without obstructing vision. The Mach Adjust Extension covers the side of the dough face exposed to the jug ●Suitable for all RAWLINGS MACH impact helmet models ●Seamlessly aesthetically pleasing the Mach Adjust extension covers visible hardware for an elegant appearance ●Suitable for Mach Junior and Senior helmet for right-handed batteries