This is a throw to the past when the slot machines were still infants.
You will basically be able by sitting back and rest, while someone else takes good care of this detail for you. https://indko.co.kr/2019/02/01/%ED%8F%AD%EC%8A%A4%EC%95%84%EC%9D%B4%EB%94%94%EC%96%B4-%EC%9D%B4%EB%B2%A4%ED%8A%B8/foxidea_event_detail/