From Tandem Couples, a Hinge is a Partner Hinge (from a Couple), and Generous
does not apply. However, the Centers part of Lockit is an Arm Turn 1/4. Hence,
from Tandem Couples, a Generous Lock The Hinge is a Partner Hinge followed by
a Centers Arm Turn 1/2 as the Ends move up 1/4, to end in a Facing Diamond.
EN: 96