You may wish to think of Switch The Line as (do your part) Swing-Slither. EN: 40
At A2, Switch is restricted to starting only from a Wave. EN: 50
According to the CALLERLAB definitions, in cases where dancers would
collide, those doing the Cross Run move outside of those doing the Run;
otherwise, all the usual shoulder-passing rules apply. EN: 60
From a general 1 x {n} Line.
The #2 dancers (those adjacent to the Very Ends) Run as the others
Grand Working As Ends
Cross Run.
Ends in a 1 x {n} Line.
Cheat: As one movement, Swing-Grand Slither. EN: 599