I find it singularly revolting that one individual can coax along Dusty at will, while dozens of people seek her presence. Therefore I'm suggesting a counteroffensive. The idea originated from my humpback waterwing which I have been swimming with exclusively since the central lead load. This wing has five smaller bumps at the extremities. When I slide my hand over them I can hear a distinct ruffle under water. So can Dusty, and she finds this mighty interesting. Also knocks on other parts of the wing draw her attention. At this, I have discovered that, while knocking, I stick the wing further out of the water, the tone gets higher. With this Dusty comes only a few centimetres from the origin of the sound. So this works very well in attracting her presence and attention.
Dusty is primarily a sonic creature. She does swim with boats because of their speed, but firstly she is attracted by the sound of a starting engine. An instrument that not only simulates this sound, but also can change its pitch is the 'Spike Piano'. This is very easy to make. Take a piece of a plank, hammer in a number of nails or drive in several screws, preferably to different depths. In the water along the side of the nails or screws you strum with a small stick, a stone or a nail and if Dusty is around she will surely come over.
Apart from this there are countless ways of attracting Dusty's attention. At the three-ball-buoy a rope goes down. When you pull this up at a not too high tide you will reach the chain. With this you can make sounds in all kinds of ways. At the buoy of the divers’ boat there lies a chain onto the concrete-reinforced tyres. To rattle it, you have to dive to the bottom, which is very well doable for trained snorkeleers, particularly at low tide. Two years ago, I would sometimes take a short length of chain, cheap at the hardware store, along on my weight belt. That rattled by itself when I swam and proved to be very inviting to Dusty.
Fast, or at least firm, and aimed swimming attracts her attention, particularly to Kieran's Hole or towards the orange buoy. Also Dusty is very inquisitive. Especially when you do something at the seabed. Thus I write 'I love Dusty' in the sand with my finger and often then she 'stands' topsy-turvy reading over my shoulder. Also I dive down and hang on to a kelp stem as long as I can, so I don't spill any oxygen on counter swimming my buoyancy. Sometimes I 'hide' holding this between the seaweeds until she triumphantly swims by. In principle every form of extraordinary behaviour interests her, typically when it seems to serve a purpose. Like when I swim down in a spiral, under water on my side or on my back.
Oftentimes, when you stroke Dusty, her skin feels a bit flaky. These are skin peels which she sheds continuously. When she allows herself to be stroked this often is to get rid of these lamina. For this she favours a handful of lace weed. Especially in late summer this grows as far as the surface.
If you're a strong swimmer and not easily frightened you can let yourself nearly wash up at the end of the right side of the Bay at the sloping layers. Dusty loves this and joins in eagerly. As long as the water washes back from the layer you have little to fear, but when it washes over you'd better not chance it.
This is only a random pick from my repertoire. It's up to everyone's fantasy to elaborate on this. The more intriguing something is for Dusty, the more unique is her response. This cannot be said about the routine responses motor boaters inflict upon the meekness of the dolphin. Banning them should be a hard condition for the awarding of the Blue Flag.