I realize the balls are probably doctored with silicone or some such thing but for crying out loud. There has to be more than that. Tip placement isn't all there is either. Is it??
http://static.ak.fbcdn.net/rsrc.php/v1/y2/r/5l8_EVv_jyW.swf?v=479543462087122&ev=0
http://static.ak.fbcdn.net/rsrc.php/v1/y2/r/5l8_EVv_jyW.swf?v=479543462087122&ev=0