Move the Timeline indicator to the animation you want to edit or select a range of keyframes.
In the Dynamic Editor, select TCB in the Interpolation Mode menu.
The selected animation has TCB interpolation, and the TCB settings display in the settings area.
Dynamic Editor A. TCB Interpolation Mode selected B. TCB interpolation settings
Change the values of the Tension, Continuity, and Bias settings to edit the interpolation.
See TCB interpolation for more information.