Object 279 - Tank Designed to Withstand Nuclear Blasts

Business | Investment | Entrepreneur on Instagram: "Knife Aid, a mail-in knife sharpening service, appeared on Shark Tank Season 11, Episode 4 in 2019. Founders Mikael Soderlindh and Marc Lickfett pitched their business, seeking $400,000 for 15% equity. Customers mail in their dull knives using a prepaid envelope, and Knife Aid returns them sharpened within a week. Pricing starts at $49 for four knives. The pitch created a frenzy on the show—four Sharks, including Lori Greiner, Rohan Oza, Kevin