In weaving your seat from the possibly underside view, it appears that you are only weaving the over and under sequence with the top crossing lines, not gathering both into the over and under as I did which created problems. Please clarify this for me. PT-2No special loom for the seats. I just cut the seat frame and work directly from it.
I have to eventually make more seats later for other canoes, so I will be posting some instructions or photos of the process.
But here is a sample image to give you an idea:
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