I've done the bars-floodlight and helmet-spotlight thing for MTB and it was effective but I don't see how it makes any sense for commuting. It's also kind of hard to match the color of the lights, if that sort of thing bothers you
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Genesis 49:16-17
"Well, well!" said Holmes, impatiently. "A good cyclist does not need a high road. The moor is intersected with paths and the moon is at the full."