T-shirt folding. https://www.youtube.com/watch?v=b5AWQ5aBjgE
Gift wrapping. https://www.youtube.com/watch?v=1qi8ZXUH_wY
Anyone know something similar for any other type of clothes?
The NYTimes wrote up a fairly lengthy article about her in July 2016, which I've been meaning to read: "Marie Kondo and the Ruthless War on Stuff". [0]
[0] https://www.nytimes.com/2016/07/10/magazine/marie-kondo-and-...
EDIT: link information
Here is a video (she uses a magazine, but you just need a single sheet) : https://www.youtube.com/watch?v=2yaMc9Sz-YE
Probably not as fast but very effective if you need to travel with a couple of shirts.