My shoelaces broke so I wove some new ones on an inkle loom. It turns out making a tube is a pretty simple concept—insert the shuttle into the open shed from only one side rather than moving it back & forth, and pull tight to make a tube.
Project details: I didn’t write these down (shame) but I used 2 shades of blue perle cotton, maybe an 8/2? And I think there were 13 warp threads. Super simple