On a Rear Cross, the dog switches Flanks with the behind her. From clock to counter clockwise Flank or vice versa.
Taken directly from the canine agility world, the Rear Cross is a foundational flatwork skill for team movement. It allows the handler to move the dog around the field in stylish fashion.
On the Rear Cross, your dog will turn away from you when she switches working sides. “Dog turning away from the handler” is another way of looking at this skill.
The Rear Cross relies on Positional Pressure and the Plane of your body to communicate movement.
Drop is the previous obstacle the catch is the next obstacle.