@neauoire Tactile sign language is often the preferred method of communication between deafblind people, but obviously this depends entirely on the individuals.
This video is pretty outdated, but it has some interesting stuff on deafblind communication. I love the lady at 5:50, she's such a character. https://www.youtube.com/watch?v=usaf3bVVvjY
@bee I can't watch videos at the moment, but I will dig into this :) thank you.