I saw it played once, Gabe was playing it at DCC one year. Racked as 10 ball then the two extra balls are added in the back crotching the outside two balls (not sure of the order for the balls):
Sorry, I tried to show you using spaces but it won't accept them. I'll try cuetable but I'm no expert.
I saw it played once, Gabe was playing it at DCC one year. Racked as 10 ball then the two extra balls are added in the back crotching the outside two balls: