This would be such an awesome project! would probably use clear varnish instead of paint though to let the rings show through.
TIBAS openhaarden & kachels Decoracion sala comedor Hierro Estanteria Diseño Almacenaje de troncos madera chimenea
Bowen Knife Company has built a knife on the opposite end of a belt buckle. The knife slides right into the back of their specially designed belts for a nice conceal carry. The video shows the knife in action.