Originally Posted By 4evrplan
One of the things we learned is what's called a binary search


What a great way to describe that. My colored pairs of stuff sacks work that way, though I'd never thought about it like that.

Dark Blue (1) Tent stakes, tie offs, ect.
Black (1) Clothes.
Red (2) FAK or Toiletries.
Blue (2) Snacks or Small Gear.
Green (3) Lunch/Dinner or Kitchen or Tent.

I can narrow down which of the those colors I want by feeling them.

Like W_D, points out, the trick is forecasting what you'll want on top the next time you dig in your pack and bags for stuff. I'm not very good at that.
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