Rotary vegetable grater/slicer.

Functionality: It's designed for quickly and easily grating, shredding, and slicing various vegetables, fruits, and even cheese. 

Design: Features a rotating drum with different blade inserts for various cutting styles, like slicing, shredding (different sizes), and grating. 

Operation: It's manually operated with a hand crank, making it a simple and efficient kitchen tool for food preparation. 

Benefits: Aims to save time and effort in the kitchen compared to traditional knives and graters, particularly for tasks like preparing salads or garnishes.