When my first Petzl Zipka headlamp finally broke, I bought another one. That is a sure indicator of the right gear for my style. Enough light, light enough (69g), and it fits in my pocket.
Petzl Zipka Headlamp
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Most Casual Observer
In physics class, many things are intuitively obvious to the most casual observer. Welcome to my casual observations.
Most Casual Observer 