Ever had a handlebar in the stomach? Ever crashed and knocked the wind out of yourself? Did you hurt your kidney badley? Ah you did not wear any body armor? It's there to protect you, if you wear it. The Thor Sentinel is made to fit a.o. Leatt Neck braces and you'll be happy you wore one when you rode down that high starting hill at full speed and 4 riders crashed into you.
They use it in motocross, but will work in Bicycle Motocross just as well. Here's in instruction video:
After doing a BMX 'zine for ten years (1987 - 1996) FATBMX made it on the internet. The year was 1998. Here to stay.