Sharpening a grater is not as easy as it seems at first glance. In any case, if we are talking about the use of "traditional" sharpening methods. However, there is at least one very effective way to bring the grater "to life", the implementation of which does not require special skills and tools.
Everything you need can be found in one second , and right in the kitchen.
What you need: ceramic mug , warm water
The secret of the quick sharpening of the grater is extremely simple. We take an ordinary ceramic mug. We look at its bottom from the outside. There ( with a high degree of probability) there will be an abrasive wheel. He is what interests us. The fact is that it is perfect for sharpening the teeth of almost any grater.