This shifting method is actually originally made by this shifting tiktoker account:

AUTHORS NOTE: I suggest watching her tiktok videos to do with her explaining the parts in her shifting method.

Down below here is a amino post that I found that explains the Valentino Method (that was posted by someone who did NOT make the method):

I re-edited this chapter because I didn't know that the tiktoker alexajareau was the one that made the Valentino Method, because I thought her shifting method was different than it...(but it's not).