It all started in 1956 when Alfred Borner, a toolmaker by profession, started the business manufacturing an onion cutter. This cutter was made of wood with four razor-sharp blades bent in such a way to make cutting onions into cubes easy work.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.