This item is hypothetical and NOT subject to any protest. Please let me know if there is any issue.
Which rule (if any) makes it illegal to help wing the jib with a boom crutch or other stick, and in this specific situation, does RRS 55.3 apply?

The boat/class in question has a jib boom, so the winging would not need to control the sheets specifically, and could simply push on the boom or the sail itself. The fleet has the following class rule which may or may not be relevant to using a different piece of equipment: