Amazon.com: TOOLSSIDE 3 pcs Vibrating Tongue Rings Tongue Piercing Jewelry, Stainless Steel Tongue Rings, Vibrating Tongue Piercing 14g, Tongue Ring Piercing Kit : Clothing, Shoes & Jewelry Tingling tongue: Causes and when to see a doctor Geographic tongue, also called benign migratory glossitis, is a harmless condition that makes the surface of your tongue look patchy, almost like a map. The exact cause isn't fully known, but genetics, Seeing With Your Tongue? How The Brain Uses Multiple Senses At Once Frontiers for Young Minds