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https://www.aliexpress.com/item/32951682108.html The 26mm size as I use 1" tape, which works well enough. There's some skill to it but I'm starting to get the hang of it, keeping my index finger against the edge of the fabric to push the binding in place and keep everything aligned helps a lot. If only I could find the funds for / convince my partner of the decorative value of a cylinder arm sewing machine with binding attachment...
Which binder did you go for? Any link?