One problem with flying low is that other drivers may not see your brake lights, or only be looking for a brake light in the center of the vehicle. Not wanting to get rear ended by a truck or SUV on my recent trip to Spa Francochamps I headed off to the workshop to have a think. There are plenty of high level brake lights available, but none matched my requirements: As high as possible on the vehicle Lightweight Very bright when lit, but unobtrusive when not Looks like it was designed to be