I've always been confused since in local pool halls everyone seems to believe that when the cueball is frozen to object ball, you CANNOT shot toward it because it creates a double hit, which is a foul; nevertheless, a fair number of instrutional books have illustrated shots when the above situation comes up; they teach you how to throw the object ball, how to play "push shots," and so forth. Incidentally I also saw some real pool matches where players shot directly toward the object ball when the cueball's touching it, and after the stroke the cueball went about a few inches or so and no foul was called. I messaged the WPA but have not got the reply(well, I don't really anticipate any from them----just look at their forum and you'll find no maintenance kept there at all). So anyway, can someone tell me the actual rule for those shots? Thanks in advance.
