From columns or magic columns: Ends Cast Off 3/4 and Spread to become ends
of each half of the resulting tidal wave. The centers do a Zing, slightly wider
than usual to keep out of the way of the others. They then step into the space,
taking their "cold hand" with each other — the hand other than the one
they had at the start of the call.
\syhlines{b4e,g4e,b1e,g1e}
\sxhlines{b2s,b3n,g4s,g1n}
before With Finesse
after
when done from a column of 6, the ends Cast Off 3/4 and Spread as before.
The centers roll outward and back} and step into the space.
\begin{displaydance}
\phBBB{b4e,b3w,g4e,g2w,b1e,b2w} & \phsix{b4n,g4s,b3s,b1n,g2n,b2s} \cr
\cbox{before With Finesse} & after \\
\end{displaydance