whats your view on the following scenario.
1. two boats beating to windward - middle of the harbour
2. boat on port tack is going to pass ahead of boat on starboard tack.
3. boat on stb tack has a prod in retracted position.
4. boat of stb tack extends prod 2.5-3m as they approach boat on port and hail 'Starboard', port tack boat tacks to stay clear of prod.
Other than being 'unsportsman' like - does this breach any rule?