Two years ago I acquired a rigid heddle loom, Harpie, and I have not used in almost a year because this project was stuck on it:
What was wrong with it? I warped a fuzzy aran weight yarn on a 10-dent heedle. Not a good idea, but I decided that I would make it work anyway, not to wast less than $15 of yarn I bought at Michael's.
One year later, it is still not working. Cut my losses: