NULL ⣢ on Twitter: "Button batteries coated with a bitter taste to deter children from putting them in their mouths... Im curious to see QC testing on the finished product. Like 'John
Teacher Tom: Licking Batteries!
50 Dangerous Things: Lick a 9-Volt Battery | The Risky Kids
Dangerous Thing #1: Licking a 9V battery | Fifty Dangerous Things