I caught a shiny Cubone last night using the SOS (Adrenaline Orb) method. Took me somewhere between 40 and 50 calls before getting the Shiny.
It’s worth mentioning that you can use a Pokémon with Synchronize to influence the nature of chained Pokémon. I’ve heard that it works a bit oddly- the Synch Pokémon needs to be…