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[gossman_imp]

What the pinlock does is create a sealed pocket of air between the helmet's shield and the insert. This pocket serves as insulation and greatly reduces (doesn't 100% avoid) fogging. My modular is pinlock ready but does not come with the insert. I bought it out of incredulity and was pleasantly surprised, but as always YMMV.

Thanks, Nemo. That is pretty much what I suspected. The insert doesn't come with this helmet, and after adding the optional shade, it retailed for over $700 (ouch), so I thought, ya know, I'll hold off on that pinlock thing for now. I was also concerned it might create yet another layer of reflections.

Indeed it does — while riding at night. The reduction in fogging is pretty amazing however.

Indeed it does — while riding at night. The reduction in fogging is pretty amazing however.
I haven't found it being bothersome at night with much reflection.