A month or so ago, My daughter and I were coming up Knowle. We were the only boat around and, as it was just the two of us, we were just opening one paddle and one gate. At the first lock, a woman and her young son arrived as C_ was about to exit the lock as I opened the next. "Can I open a gate, mummy", the lad enquired, and Mum indulged. And then they promptly pissed off, leaving C_ with two gates to close.
At the last lock, we had the same again. A party of gongoozlers decided to open both top gates, and then buggered off. Particularly galling as they would have been the ones I'd have chosen to have shut for us, save having to moor up. My daughter's face was;