Yeh, do that. It might be worth getting a price for a set so we can see if clubs are interested in the region. Numbers and signs are always of use/interest for clubs.
The only other thing I forgot, which is that marshals need to make very clear one long blast to stop, and two distinct blasts to start. But as we only had the one stoppage, it didn't affect the day. As you say, note, learn and move on.
Twas a good day. And my feet stayed dry