In 1-H Mr Kelley writes, So a complete definition can only be the sum of the comments about it.
There is specific use of Swivel in the following:
*4-D-0. RELEASE MOTIONS
Swivel---that is, actually rotate the Left Wrist--through Release into the Vertical Position for Impact.
*10-11-0-3. PRESSURE POINT #3
When the Wrists Swivel back to the Vertical Position during Standard Wrist Action
*10-18-A . STANDARD
the Hands Swivel into Hinge Action Position
Help in locating other book references would be appreciated.
DRW