Here was the plan for the day.
After the warm up we got down to spinning a bunch of samples using a variety of techniques with varying amounts of twist in the singles yarn and in the plying process.
It was a great day and we didn't get all the samples done. But at the next guild meeting I gave out bags that contained the fibre for the last "mystery yarn" exercise. Here's a photo of one of the participants samples from a good part of the day. Lovely spinning.
Thanks everyone for being such good sports. It was a marathon of spinning and everyone played along.