1. Do people only use snap clips for them or can you glue the whole thing to an aligator for french clip? ~ You can either use snap clip (30mm or smaller, 20mm: depending on the shapes) Or the just *mount* on the alli. clip.
2. If you don't have a cuttlebug or sixxitz, where do you get your shapes? ~ You can ask someone onboard (there's plenty of us) or you can look on ebay or etsy.
3. How well do these sell for you? ~I hvn't started selling mine but i'm others has. Just key in Felt Clips at Etsy and Ebay, you'll how much they go for. Especially the ones using 100% wool felt.