Talking about information inside the kitchen which is the knife as one of the kitchen outfit, is very important to have. At least a peeler and small knife, or the knife bag with variety of knives for the pros.
Playing with knives, if there is a board that can be used to cut a garlic or onios. Cutting board is the name. Using knife with different style i.e. chopping style, swing style, slice-style, etc. Different Chef has different preference is using their knives.