PostKnife is a knife sharpening and rental service that delivers freshly sharpened knives to every address in the USA. Subscribers receive professionally sharpened knives on a routine basis so their facility always has sharp knives. PostKnife services a wide range of establishments including restaurants, butcher shops, grocery stores, bakeries, caterers, cafés, institutional kitchens, sandwich shops, dining hall kitchens, hotels, taco trucks, pizzerias and more.