This week, it's the sharpest tools in the house! Tim Hayward, author of Knife and The Modern Kitchen, tells us about the tools that have surprisingly changed our lives. Knife maker Quintin Middleton shares how he designs a great chef's knife. We talk to Ruth Ades-Laurent, daughter of the legendary Joseph Ades AKA The Gentleman Peeler, a man who made millions selling vegetable peelers on the streets of New York City. And Dan Souza brings us some of America’s Test Kitchen’s favorite kitchen tool hacks provided by their readers.