Sew a 20L Simple Roll Top Backpack Base With a Pocket for Frame, Can Make a Climbing, Weatherproof, Hiking, City Bag, or a Combo of These. (climbing Mod Shown): Here is the pack shown with the climbing set up. This is a generally simple build made entirely of simple straight stitches and designed to be sewn on a home sewing machine (with maybe a tiny bit of hand cranking of the machine at a point or two), i…
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