I don't suffer from tinnitus myself, but I've always wondered if this exercise to reduce tinnitus in a reddit comment actually worked: https://np.reddit.com/r/WTF/comments/3l3uri/these_guys_light...
...and here's an explanation of why it might work from /r/bestof: https://www.reddit.com/r/bestof/comments/3l54rd/reddituser_a...
Any takers?