Submitted by Mogens Brask Ch... on Wed, 11/30/2016 - 7:08am Tool Concept Stage: Functional Prototype Primary problem statement: I am a farmer and I want a tool to cultivate within my rows because commercially available solutions are too expensive. Read more about this problem statement License: This work is licensed under a Creative Commons Attribution 4.0 International License. Description: Old bike made into a chopperAdd new comment Documentation Video: I like this tool up1 user has voted. I built (or modified) this tool up0 users have voted.