… for Apple Motion
Tip #091: A Faster Way to Fine Tune
This is a great option when you need to make small adjustments.
Every slider in Motion has a track that it slides in.
Press the Option key while clicking on the track and you’ll change the value of the setting by one unit.
Click left of the slider to decrease the value, click right of the slider to increase the value.
Not all sliders support this, but most of them do.