Does anyone know of a better designed helmet light, in a similar style to the traditional Garrity Disposable Life-Lites? That is what I have now, serving as my backup, but the button is not the easiest to reach. Does Garrity, or anyone else make an inexpensive light similar, but with a switch mounted on the "bottom". thus allowing it to be on the "top" when its sitting in my helmet.   If I am bei…