A finger-mounted device for launching a projectile in response to a flick of a finger by a user. The finger-mounted device may comprise a securing means for securing a launcher to the finger of the user. The securing means may comprise a strap, loop, or cinch. The finger-mounted device may further comprise a launch guide extending outwardly from a base member. A projectile may be mounted onto or into the launch guide. The projectile is launched in response to the user flicking the finger, using the thumb as a tensioning means. The projectile may take a wide variety of forms.