Tools of Titans: The Tactics, Routines, and Habits of Billionaires, Icons, and World-Class Performers

by Timothy Ferriss

“Don’t systematically shorten your kids’ heel cords (Achilles) with bad shoes. It results in crappy ankle range of motion in the future. Get your kids Vans, Chuck Taylors, or similar shoes. Have them in flat shoes or barefoot as much as possible.”