In the following procedure, you create several poses and paste the poses in the Character Track to create a second clip.
To create the poses:
or press Ctrl-Home). 
Hips effector selected

). The pose is added to the Poses group in the Pose browser.

), activate the Accept Keys option (
). You can only paste poses on a track when the Accept Keys option is active.

) from the options (
). A one-frame clip appears on the Character Track at frame 28.

This clip contains the data of the pose you pasted. Now, Mia starts and stops walking with exactly the same pose.
Although the animation begins and ends with the same pose, there is a slight jump between the clips.
In the next procedure, you remove the jump.