How to Make Human-Powered Tools: Bike-Frame Cultivator

Human-powered tools are not only better for the environment than their gas and electric counterparts, they serve as an act of self-sufficiency, too. Learn how to build a bike-frame cultivator, and discover the difference human-powered tools can make.

Long Handled Cultivator
Figure 2: Antique, Long-Handled Cultivator
Illustration Courtesy New Society Publishers