When the dart rebounded and it was unclear whether it hit the target or not. The second shooting is counted. Entrant can chose the first matchbox which he shoots. Entrant can aim the next matchbox after the first matchbox was dropped. When dart enclosed the matchbox target and prevents dropping.
Player can pull darts off with approval of marker.
Entrant can clean the inside of pipe whenever he wants. After marker recognized the number of darts,entrant can pull darts off from sponge mat.