There was one available at the Turning 2025 Symposium by silent bidding and it took incredible strength not to bid on it. Here you can see most of the Monster Articulated. I have 5/16" and 3/8" hollowing tools including Hunter carbide hollowers. I use the articulated for my smaller hollowforms through the smaller holes. I can use it on every lathe I still though because I have the different size receivers for it. For bigger pieces I use the Monster Captured Hollowing System where I use the two Hunter hollowing bars that allow me to go 12" or 13" with the 3/4" bar and at least 19" deep with the 1" bar and the Hunter Hollowers. I have no pictures of my hollowforms that would show the actual size of the holes. Next time I do one I'll post it with measurements.