Getting a Moon Stone in unlimited amounts

[Link]

I've heard you can get an unlimited amount of Moon Stone's in OR/AS. If so, where do I get this from, and how would I go about getting it? I already have a Scatterbug with Compound Eyes. Thanks in advance!

[Pokemaster Ash]

Well I know that for the longest time Moon Stones have been hold items on wild Clefairy and Lunatone, so if you have a Pokémon that can learn Thief (a Pokémon with the ability Frisk would help, but not necessary), you can swipe as many as you want from them.

[SupremeChampion]

I haven't heard any particular way to do that myself, or come up with one myself. but I agree with Ash, you could always try and Thief them. with some patience you would theoretically get an unlimited amount.

SC