Left Swing Thru beginnt spiegelbildlich mit der linken Hand – dafür gibt es die eigene Seite Left Swing Thru.
4 Original-Definition (englisch)
Starting formations: Ocean Wave, Alamo Ring. Dance action: Swing Thru: Those who can turn 1/2 (180 degrees) by the right; then those who can turn 1/2 (180 degrees) by the left. Dancers must work in their group of four (from an Alamo Ring, all eight form one group). Ending formation: Ocean Wave, Alamo Ring. Timing: 6. The Facing Couples Rule applies.
Quelle: CALLERLAB, Mainstream Definitions (29.03.2026), „Swing Thru / Left Swing Thru”, S. 59.