No Backorders. Ken Onion Rain kitchen knives from Chef Works were the winner of Blade Magazine's "Kitchen Knife of the Year" award for 2013. Designed by master knife maker Ken Onion and made in the USA, each knife in the Rain series from Chef Works is specially-shaped to fit its specific purpose. These knives have comfortable ergonomic handles that fit into the hand perfectly and help reduce hand fatigue. They're also made from high-quality materials that last longer and are backed with a lifetime warranty from Chef Works with normal use and proper care.