| 摘要 |
PURPOSE: A swing ball is provided to allow a user to easily predict the locus of the ball and to prevent the ball from being deviated from a specific area. CONSTITUTION: A swing ball comprises an attachment module (10), a line module (20), and a ball (30). The attachment module can be combined with an indoor ceiling. One end of the line module is combined with the attachment module. The ball is combined with the other end of the line module. The attachment module includes a base plate (11), an adhesive member (12) bonded to the top of the base plate, and a first protrusion (14) which protrudes from the lower part of the base plate. |
