Allows pairs teams to play both Lead and Skip. Less down time.
In the first end of the game the Leads start off with their first 2 bowls each.
Then the Skips play their 4 bowls.
Then the Leads complete the end with their final 2 bowls.
Thus, the Leads act as Lead and Skip in the same end.
In the next end the roles are reversed- so everyone stays where they are and the previous end's winners deliver the jack.
The Skips playing First with their first 2 bowls, then the Leads play their 4 bowls, and finally the Skips complete the end with their final 2 bowls.
This alternating pattern continues throughout the game.
Can be a "first to" or set number of ends.