There are two different starting formations for Scoot Chain Thru.
Parallel Waves is the most common starting formation.
Therefore, be careful when starting from a 1/4 Tag formation since the
call feels different. EN: 70
From a 1/4 Tag, everyone does the 'Trailers part' as if they started from
Parallel Waves. Be sure to end in a 3/4 Tag formation:
Centers reform the center Wave, and Outsides slide together to form a Couple. EN: 80