In this video I show you how it is possible to blow your own sail My previous video with flat sail: https://youtu.be/Utadwck9htM Janitor Video: https://youtu.be/PY-4K4e5s6w My shorts channel: https://www.youtube.com/channel/UCA19mAJURyYHbJzhfpqhpCA Get Your Experiment Box Here: https://theactionlab.com/ Checkout my experiment book: https://amzn.to/2Wf07x1 Follow me on Twitter: https://twitter.com/theactionlabman Facebook: https://www.facebook.com/theactionlabofficial/ Instagram: https://www.instagram.com/therealactionlab/