Submission for metalworking make a chicken funnel.
Major tip....after you have the sharp spring like metal in place and drilled is not the time to find out you havea 3/16 head and a 1/8th rivet.
Another thing I learned is that springy metal doest stay still like conduit or wood. Make sure that you have your edges aligned and that you grip it firmly while drilling or your edges may be slightly wonky.
I think you could make 5 of these for under 10 bucks easy and I believe with a few extra well placed rivets and some proper sheet metal pliars they could be just as nice as the cones in the feed store.