Event organizers are reminded of the following rule regarding the size of cups to be used on show jumping courses: EV 149.4. Poles and other parts of the obstacles are held up by supports (cups). The pole must be able to roll on its support; in this case the support for the top poles should have an ideal depth of 25 mm (1”), in any case the minimum depth is to be 20 mm (¾”) or a maximum depth of 30mm (1 ¼”). For planks, balustrades, barriers, gates, etc. the supports must be more open or even flat, with a maximum depth of 13 mm (½“).