Heads Part: Square Thru then Partner Trade and Roll. Back up four steps and face the heads position. Walk forward and Dosado then Star Thru with the same girl.
Sides Part: Face partner, back up four steps and turn to face the heads position. Walk forward and Dosado then Star Thru with the same girl. Go into the middle and Square Thru then do a Partner Trade and Roll at the sides.
All do the above routine twice thru.
Jim Garlow 1974
This definition is from The Handbook of Modern Square Dancing by Jay King.
It is provided here for informational and educational purposes only.