From applicable Tidal Lines or applicable Parallel Lines.

1. Lockit;
2. Hinge;
3. Centers Hinge as Outsides Counter Rotate 1/4;
4. Centers Lockit as Outsides Roll.

This is a 4-part call.

Easy way to memorize Lock 'Em Up:

Lock The Hinge; Centers Hinge the Lock as Ends Counter Rotate 1/4 & Roll.

From a Tidal Wave:   before Lock 'Em Up         after Lockit (1/4)   after Hinge (1/2)   after Centers Hinge as Outsides Counter Rotate 1/4 (3/4)   after Centers Lockit as Outsides Roll (done)

From Parallel Two-Faced Lines:         before Lock 'Em Up   after Lock The Hinge (1/2)   after Centers Hinge as Outsides Counter Rotate 1/4 (3/4)   after Centers Lockit as Outsides Roll (done)

Cross Lock 'Em Up [C3BV]: Cross Lockit; Hinge; Centers Hinge as Outsides Counter Rotate 1/4; Centers Lockit as Outsides Roll.

anything 'Em Up [C3BV]: Hinge; Centers Hinge as Outsides Counter Rotate 1/4; Centers Lockit as Outsides Roll. I.e., do the last 3/4 of a Lock 'Em Up.