I was once told of an EBO (style?) neck married to a pentagonal shaped with prismatic (effect) edges but the "owner" never showed up with the beast, nor with even an image of it - he commented that the light "sprayed off it" in all sorts of directions and that it "weighed a ton..."
I often hankered after a Dan Armstrong (even though I'm not a shorty fan) but it never happened and I guess it never will...