There are many methods for providing and effective All Day Stretch mechanism. This video covers one of the cheapest, most ...
V-Stretch Video
All V-stretches are designed to change the tension gradient within the tunicae, redistributing stress and thus providing greater stress at certain points in the tunicae and lesser stress at other points.
This is a two handed stretch using the second hand to apply stress to the top of the shaft at various points it should impact both the tunicae and the ligaments.