Skirt design

- https://twitter.com/Haido_Ele/status/1142858485597523969
- http://hidejr1053.web.fc2.com/vq2.html

![Screenshot from 2019-04-03 09-26-34](https://user-images.githubusercontent.com/526577/71606550-16fa7400-2b72-11ea-87b1-7118ac910198.png)

"Magic tape"?

![asdf](https://user-images.githubusercontent.com/526577/71606610-8cfedb00-2b72-11ea-8562-f1d6bbd0c942.jpg)
