I make my own but I just kinda wing it. I take a 5 gallon bucket and in the center of the bottom I drill a 1 3/8" hole then I use about 18" of a 1" wooden dowel. about 4" in from one end I drill a 1/4" hole and put in about 4" of a 1/4" dowel. this dowel will allow the large dowel to pivot and allow the corn to drop out when bumped. I assume to can adjust this if you use a larger or smaller type of feed.
The wooden contraption is what I maked one day so I can put a feeder out in a grass field.
