[Daryl]

"Delivery Line Roll Prep" means to prepare to "Uncock and Roll" without disturbing the Clubhead Orbit (which would disturb the Clubhead Orbit), per the selected Wrist Action (Single or Standard) so you don't need to twist and manipulate the Clubhead after Release (Steering, etc).

Is your Right Forearm Wedge Aligned for Swinging Procedure? Meaning: is your Right Elbow "Pitched"? Are your Wrists Turned to the Plane? Are you ready to Horizontal Hinge? Is your Left Wrist Flat and your Right Wrist Level and Bent? Do you feel the #3 Pressure Point? Etc. Etc....