The Most Common amazon tongue scraper Debate Isn't as Black and White as You Might Think
http://andyqngt082.iamarrows.com/step-by-step-to-use-a-tongue-scraper
Been working with this for a pair months and it really works just as advertised. It will save your toothbrush from carrying out as fast, and is also more effective at cleaning the tongue. I use it 2 times each