I have two Ozone bars - left one of them (older style, about 2014) at one of the Perth kiting spots in the last few days, not sure which one (Melville, Woodman Point, Coogee Surf Club, or Pengos).
I think the bar had my old mobile number written on it (no longer used). It was 0417 095 911.
Cheers
Swavek