This looks like something you could make into an app. Put phone on vibrate and apply to back of head. It's also very similar to the remedy suggested in a reddi

This looks like something you could make into an app. Put phone on vibrate and apply to back of head. It's also very similar to the remedy suggested in a reddit comment. The comment said to drum your fingers on the back of your head. Many people said it did work to reduce their tinnitus.