A solar-powered light that uses your Nalgene bottle as a sort of diffuser.
Standards standards standards! Let’s hear it for standards!
This is a solar-powered LED doohickey that you hang from your backpack or whereever to recharge during the day. At night, you screw it onto your Nalgene bottle and it uses the bottle as a sort of diffuser/desk lamp.
What a trick. I just had to pass this one on.
Longshot City 
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