A STABLE LATCH ON is a "Substitute" where the leaders backup to the right as trailers veer to the left, and then all Mirror Single Shuffle . The two dancers exchange places. To TWISTED this movement, do the first half as described above (to end as a couple), then rotate the couple around their center point 90 degrees, then complete the movement.
That is, STABLE RIGHT ROLL TO A WAVE; AS COUPLES 1/4 RIGHT; MIRROR SINGLE SHUFFLE.