Since I had a tough time understanding how the wofati 0.7 berm would be shaped before we came out, i thought people on the outside might appreciate this sketch for clarification. This isn't intended to accurately show the frame details, or the umbrella layers:
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LOOK! OVER THERE! (yoink) your tiny ad is now my tiny ad.
Heat your home with the twigs that naturally fall of the trees in your yard