Painting with Fire used these in her book ‘Toch Fired Enamel Jewelry’
There have been a few ‘issues’ with cracking of the enamel on headpins, so in this video Barbara shows us an easy way to get a better success rate.
Using larger enamel particles, much bigger grains than the normal 80#.
Check it out and see what you think. It might be worth getting a few of your favourite colours for this.
I’d still be careful where to use enamelled headpins though, rings, some hinges and other things that get a lot of wear might not be the best place to put these.