In or on.
You're not the only non-native speaker, and prepositions are very tricky. And the best way to improve your English is to use it. I think you're doing great! :hug:
Mason and TJ, yeah, the only place I've seen it at cones were actually in JoAnn's. It was near the Sugar'n'Cream/Peaches'n'Cream, but up on a top shelf. Which only helps you if all Joann's follow the same planogram for their yarn displays. :teehee: Some of the crochet thread comes in cones, too, I think.
I really want to make something with big needles and crochet thread at some point.