White ink in black

Hi, sorry English is not my first language. I have been member since July, last year; now, it is my first time here in the community forum. I have a question, I learned here the inkwash technique and being doing some classes and work with it but also I love black paper. I did the class of a drawing a woman with carbon, but ink is different. . I will appreciate to watch a Matt (this amazing teacher) class of white inkwash in black paper. Thank you.

Matt has drawn a zebra using white charcoal on black paper - not sure if that would help you. Click on the Blog and the Getting Sketchy episode is near the top. He did the whole drawing in less than an hour!

Thank you Mike for your help,I will check but I am more with the idea of inkwash; I hope he gives that kind of class.
Maria Rosa