Whistles have been around since forever, and they're so useful, from annoying everyone around you to...no...that's basically the most thing they're useful for. Today we're building two small brass whistles, check it out! Follow and like Switch & Lever on: Facebook: https://www.facebook.com/SwitchAndLever Instagram: http://instagram.com/switchandlever Twitter: https://twitter.com/switchandlever Pinterest: http://www.pinterest.com/switchandlever/ Linkedin: http://www.linkedin.com/profile/view?id=174927629 And check out the Switch & Lever online store at: http://www.switchandlever.com/store/ -------------------------- Music: Josh Woodward - Twinklebell CC BY 4.0