. Not to move the ball can draw lines of various angles of the circle, circle cross-lines, cross lines, and a variety of special, useful for lines. Improve the precision strike. 
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 "Apple" type and "star" type holes, to draw the ball more personal. Draw a line clear standards. 


 Device to send the ball with a special paint brushes, drawing lines with water does not fade. Alcoholic liquid with a brush, paint track totally disappeared.