Well, actually I didn't know of that way. I just did the one where you go to Milk Road while riding Epona and save at the owl statue, then come back and press the button that you set the FD before you get off your horse. But you CANNOT get off your horse when you go to Milk Road. But I also found out that you can take your horse anywhere and do it, just as long as you don't get off it.
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Teacher: "Why are you always late, Alex?"
Alex: " ''Cause that stupid bell''s always ringin'' ''fore I get here!"