Thumbsticks typically[^] have a button in the base, they're often used for this since one doesn't need to move off the stick to use it. [^] Nintendo is a holdo

Thumbsticks typically[^] have a button in the base, they're often used for this since one doesn't need to move off the stick to use it. [^] Nintendo is a holdout here, though the WiiU apparently has the buttons.