How to perform ‘shiny swapping’

At the end of Melemele Island, you will end up fighting the first Kahuna. After the battle, he gives you the Tauros pager. If you hold B while riding the Tauros and run into the sturdy rocks, they will break.

For sturdy-looking rocks in the water, you will need the Sharpedo Ride Pager, which you get from Grimsley on Route 15. Just like with Tauros on land, charging with B will break sturdy-lookings rocks in the water.

Breeding with the Masuda Method, your chances of getting a shiny are 1 in 683. If you have the shiny charm and use the Masuda Method, your chances are 1 in 512. Thus, using the Masuda Method is the best.

With SOS chaining, if you get a chain of 70 and above, you have a 1 in 1024 chance, and with the shiny charm it becomes 1 in 683. Therefore, the Masuda Method still gives you a better chance, but the SOS chaining method may be faster if you turn off battle actions in your game options.