One way to sharpen scissors

One way to sharpen scissors is by using 150-200 gritsandpaper. Fold the sandpaper in half with the grit facing out. Then, use the scissors to cut through the paper at various angles, cutting long strips. Cut about 10-20 strips, using full strokes from the base of the scissors all the way to the tip.Mar 29, 2019
How to Sharpen Scissors - wikiHow 

Link: https://www.wikihow.com/Sharpen-Scissors