Bend The Line
The center dancers in the line drop hands with each other. With each half of the line working as a unit, the ends move forward while the centers back up until both halves of the line are facing.

Any line with an even number of dancers. Dancers in each half of the line must be facing in the same direction.

Lines of 4, 6 or 8, 4 steps.

As ends move forward, centers back up equally. Use normal couple handhold and in the event a new line is formed, immediately join hands in the new line.