I can envision a 6-pack can holder that resembles are smaller version of bottle holder but made from a clear material that lets the branding of the cans show thru. If the material was organic and water-soluble (obviously with a good long soak, not just being sprayed with water or beer) that would be an even bigger plus.
Obviously the advantages would be that there would be no printing, it's generic so you never have to adjust production leading to lower costs and reusable until you want to dispose of it.
Just brainstorming.