Biped foot snaps away from the other foot.
What is happening is that the foot, calf, and thigh bones are being
controlled by the footstep gizmos. The footsteps represent a pair of keys
with IK Blend set to 1 and the Join To Prev IK key turned on. When you
set the key, these settings force the foot, calf, and leg bones back into the
correct path for walking.
7 Click Next Key three times to move to frame 40.
8 Rotate the Transform gizmo – 6 to – 10 degrees about the X axis.
Creating a Distinctive Walk | 719