This "quick tutorial" introduces the general idea of a call and explains the most common cases. It does not explain or illustrate all cases. For additional details and/or examples, refer to the links in the "MORE INFO" box.
The call Spin Chain the Gears starts in parallel waves. The ends do an arm turn 1/2 (trade) with the adjacent centers, becoming the new centers. They then cast off 3/4 in the center, and then the very center two trade with each other.
This is the same as the first three parts of Spin Chain Thru. But meanwhile, the dancers who originally started in the center, and are now the ends, "flip" back in toward the center. They turn around half way (180 degrees) toward the centers, and move inward toward the centers, as if they were doing an Ends Run. They join the centers to form a four-person star.
These stars are the "gears". Each star then turns 3/4 (three positions) around its own center, and then the new very center two trade.
All four dancers in the wave down the center then cast 3/4, to become centers of new waves. Meanwhile, the others "flip" outward, turning around halfway away from the center and moving away from the center, like a "Centers Run", to become ends of the new waves.
Note that the new waves are formed on the same spots where the original waves were located, and have the same handedness.
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