I used open face Bell Magnum helmets for years, right up to the early vintage days. I was an old schooler who thought full face helmets were for Nancy Boys. I was given a Scott Aspen full face (remember them?) as a gift and decided to wear it for the first time in one of the legendary Colo Poker Runs. I hit the deck off my TT600 after getting the front wheel tangled up in a rut, a simple prang with no drama, except for Geoff Eldridge who was following right behind on an ADB test RMX. He couldn't avoid me and ran right over my head at speed. If I'd been wearing an open face helmet, the case guard on the RMX would have taken my face off. The face guard part of the helmet was cracked right accross the jawline and was a total writeoff. I still needed six stitches in a small cut on my neck. It was my first ever event with an open face helmet and I've never raced without one since. I have a number of helmets but my main two are a Bell Moto 7 and a Boeri open face . I only use the open face for tooling around on my trials bike, there's no way I'd race with it.