Add some buzz to your handshake with this Hand Buzzer Gag. The practical joke gag features a silver buzzer that vibrates and makes a rumbling noise when activated. The hand buzzer is fun and easy to use. Simply wind it up, slip it onto your ring finger, and then reach out for a hand shake. Watch your victim jump at the buzzing surprise. Have fun on April Fools or add this hand buzzer to your clown costume this Halloween.