I always use floating selvedges with kitchen towels for less pull in and maintaining some durability and size consistency on the loom-personal choice is enter over, exit under
I’ve enclosed my general instructions as I published in Heddlecraft–one has lots of freedom with block sizes and symmetry versus asymmetry in all forms.
The towel being entered in the exchange is one of the six woven with this threading/warping.
I always choose a rolled hem–this towel is hand-stitched, but a zig zag machine stitch in fine thread would look just fine.