The Cheek Tazer was an invention invented by Numbuh 202 of Sector G for the KND 2x4 Technology Fair in Operation: S.C.I.E.N.C.E.. The Cheek Tazer also had a video/cartoon-commercial with it. To use it you put it in your mouth, then when someone gives you a pinch it zaps them. It is similar to a joy buzzer.