RE - Kisses - they should be allowed as there are positions where you
might hit your first ball into the other ball to move it towards a corner - as for popularity of 3-c in USA the late Sang Lee tried to elavate popularity of 3-c by staging International tournaments - he got a write up by the NY Times when he won a world title but it remains popular perhaps in large cities and a majority of the players are either Europeans , Latino, Asians but unfortunately not many Americans.
might hit your first ball into the other ball to move it towards a corner - as for popularity of 3-c in USA the late Sang Lee tried to elavate popularity of 3-c by staging International tournaments - he got a write up by the NY Times when he won a world title but it remains popular perhaps in large cities and a majority of the players are either Europeans , Latino, Asians but unfortunately not many Americans.