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.

Human Powered Home Cover
"The Human-Powered Home," by Tamara Dean, is your complete guide to modern pedal-powered, treadled and hand-cranked devices for the home. 
Cover Courtesy New Society Publishers