Revain asked me to rate the 'safety features' of this product, although to be honest they aren't there. It's just an extra spot to mount a light, there's no way to stop a stranger taking it off your bike, but it doesn't matter. My baskets wouldn't block it for oncoming traffic. I was happy with its performance but had to adapt it to my loaded touring bike - if the little wrench was pointing up my tent would be resting on it and straining the plastic, but if it was pointing down it would get in the way of my rear fender. I cut off most of the key and I can still turn the light on and off, so no problem here. My only complaint is the price - it's a trivial piece of plastic, but I paid $6.95 and had to buy something else to even ship it if I remember correctly. (It's officially an "optional item.") It's just a tiny piece of durable plastic that I thought would cost closer to $3, but whatever. It fills a useful niche that I would find difficult to fill on my own.
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