It's a nice toy/idea, but you'd be better served with the proverbial altoids pocket kit. I think trying to fit one of those belts under a frame pack hip belt is going to be blister city. And, lets face it, if you're far enough out to require fish hooks.....
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Hope for the best and prepare for the worst.
The object in life is not to be on the side of the majority, but to escape finding oneself in the ranks of the insane