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The mask-integrated MODEG produced 450600 mV during normal breathing and up to 650 mV during exercise, demonstrating its capability to directly power portable medical devices and wearable electronics, while simultaneously functioning as a self-powered platform for real-time respiratory monitoring

These handy little magnetically fastened box also have lots of other uses, and for those who favour some sort of tackle pouch with everything thrown in, they allow you to organise that better

But I prefer a simpler approach

Navigation Lights There are several 360 Navigation lights out there on the market and two that come to mind are the YakAttack VISIPole II with gear track and Railblaza Visibility Kit II W/Miniport Tracmount models that are very durable and will meet the Coast Guard boating regulations

Final Adjustment Loosen the shoulders strap just a little to have the majority of the weight transferred back to carrying by the hips