Hamilton Cosmopolitan Club 8-Ball Sub-Club. This page contains all happening within the sub club, such as our Friday Night tournaments, Saturday tournaments, and all other things. All can participate on our Friday Night tournament, so all are welcome to come along! Our Saturday tournaments are for the 8-Ball Sub-Club members, but anyone can join as long as you're a Hamilton Cosmopolitan Club member. We will keep you up to date with everything regarding pool in the Hamilton Cosmopolitan Club.