Lynne, Have you ever thought about running a workshop at a Folk festival? It may be a short introductory thing and offer the workshop you did this weekend as a folow up, for those who want to know more - of course you may be like me and hate being too tied up at festivals to enjoy the actual festival, but its just a thought, and you do have a captive audience of similar mind, just looking for something different to do............
Best Of Luck with it Lynne, I wouldn't gire up too soon!
Cheers Lucy