We all use knives in the kitchen. You are going to have a hard time getting your work done without sharp knives. In Sol.inge, you have a blade sharpener with self-adjusting plates. You can use it to sharpen knives, scissors, and tweezers. The device is top-rack dishwasher safe. It can sharpen knives from 6 to 36 degrees.
You can get one of these for under $30.