The basic premise of Marie Kondo's Netflix Showis to test all of your belongings. If the item does not give pleasure while holding, thank them for their service and remove it.
That may sound a little woo-woo, but it's about throwing things you no longer use or want. I have given similar advice.
Apart from the whole idea of "sparkle," the show offers some great organizational tips. Here are some of my favorites and how I adapted them to my home.