Ok, a bunch of us are looking for a halo.
Well, here are 2 sites that have a similar tool. I just ordered mine. I borrowed one like the 3rd link from a friend and I love it, so I ordered the gypsy quilter.
http://www.createforless.com/The+Gyp...8-d31930de253a
Here is another site (scroll down)
http://www.ericas.com/quilting/tools/misctools.htm
And this one is out of them
http://www.machinequiltseweasy.com/
Hope this helps!