Talk with Loran Steinlage from West Union, Iowa. (563 380 1149) When he stopped by last week he had a crimper on the trailer.

https://www.lancasterfarming.com/farming/soil/the-steinlage-way-keep-a-living-plant-on-the-soil/article_5287a5d8-6402-5722-96fa-5f68d765c41f.html