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TAMINATIONS
A Hinge is half of a Trade. A Partner Hinge is half of a Partner Trade. The two dancers start to move as if they were going to do a Partner Trade, but stop halfway through, taking right hands.

Note that while many callers will say "Single Hinge" in the case of a mini-wave, and "Partner Hinge" in the case of a couple, the call Hinge applies equally well to either. And in any situation where two dancers are standing side by side, the meaning of "Hinge" is the same as half of a Trade in the same situation.