I see a cone type hay feeder on the interwebs but I haven't found one local. They run around a $1000 give or take but cut the waste back to around 5% possibly.if I paid that & it worked as advertised I could make my investment back in a year or 2.

"When you've stared down the barrel of a shotgun in your own home, 3rd & 20 don't seem too bad"......Ken "Snake" Stabler