|Grandpa's Feeder (metal)|
The other lower-cost option is to make your own. Here's a Backyard Chicken link to an elegant homemade treadle feeder and detailed plans (shown below).
|Mason jar simulates weight of chicken|
Here's another comparable design by Rebecca Nickols (Mother Earth News) with a simpler linkage that holds less feed (shown below).
If you decide to make one, please send photos (and possibly plans) to CLUCK and we'll post them.