From Facing Couples or T-Bone 2 x 2s in which everyone is a Trailer.
  - Split Swap:
 
  - As one movement, Belles Box Circulate & 1/4 Right as Beaus
      1/4 Right & Box Circulate.
 
  - Reverse Split Swap:
 
  - As one movement, Beaus Box Circulate & 1/4 Left as Belles 1/4
      Left & Box Circulate.
 
Facing Couples end in Back-to-Back Couples.
 
 |   | 
 
 |  before Split Swap |   | after
  |   
 | 
 
 |   | 
 
 |  before Reverse Split Swap |   | after
  |   
 | 
Notes:
- 
Split Swap should be visualized as a Lead Right while doing a
    Half Sashay.  Think about moving counter-clockwise one position
    while turning 1/4 to the Right.
 - 
The above definition is carefully worded (i.e., as one movement)
    so that everyone can Roll.  Other glossaries may have definitions in
    which not all dancers can Roll.
 - 
Split Swap is also known as Split Swap Around.
 
- Alternative definitions:
 
- 
  - Split Swap:
 
  - As one movement, Belles Walk as Beaus Dodge; all 1/4 Right.
 
  - Reverse Split Swap:
 
  - As one movement, Beaus Walk as Belles Dodge; all 1/4 Left.
 
 
Shake & Rattle [C3B] (Lee Kopman 1978):
 From any 2 x 2.
Leaders Shakedown as 
Trailers Reverse Split Swap.  
Ends in a 2 x 2.
 
 |   | 
 
 |  before Shake & Rattle |   | after
  |   
 | 
 
 |   | 
 
 |  before Shake & Rattle |   | after
  |   
 |