The "Yellow Stick" on the SSBM controller. In SSBM, it can be used to perform any Smash Attack while standing, or any aerial while floating or tumbling. Smash attacks performed with the C-stick are performed at the soonest available frame. The C-Stick can also sustitute for the control stick in some instances, as it can be used to roll from your shield, direct the direction of a tech, and influence DI.