Jolana - Check out Stoney Creek Iris when it opens on June 14th. They have had "Doodads" for sale (no they don't-see below!!) at the Landis Valley Herb Faire the last four years; so I am sure you can get it from them. Even if it is not listed as available on the site after the 14th, you should send the owner an email asking about it.
STRIKE THAT!!!!!!
I just looked it up and this is not what I remember. The one I am thinking of is a SDB. My brain needs a re-boot!