The object of straight rail is simple : one point , called a `` count '' , is scored each time a player 's cue ball makes contact with both object balls ( the second cue ball and the third ball ) on a single stroke .
The object of straight rail is simple : one point , called a `` count '' , is scored each time a player 's cue ball makes contact with both object balls ( the second cue ball and the third ball ) on a single strike of the cue ball .