Made of Mettle is the unlikely success story of Tim Leatherman, who spent years in his garage engineering and designing the world’s first pliers-based multi-tool. Persevering through skeptics and hundreds of rejections, he finally brought to market the Leatherman PST, and changed, not only his life, but the lives of countless others around the world.

http://www.loopinsight.com/2018/07/26/made-of-mettle-the-leatherman-documentary/