Stewart steel I think makes a wrap with there extender for auger. There out of canada do not know the ady or number I am sure some one else will hit here. But maybe not this show is like a ghost site now that every one is gone. Thinking about going to ag show but some people do not like newbies over there.
We had a band on a Gleaner MII, had to have something as it layed down on the high sides of our ten wheelers...We just used light sheet metal and angle iron and bolted together...was easy to make and worked good.