It's not ambiguous at all, but I'll try to explain it better. Put your Skarmory and Pidgeot in the Day Care, one holding the Destiny Knot, one holding the Everstone. Wait for the Day Care Dude to hand you an egg. Reject the egg. Save the game. Wait for another Egg to pop out. Get it, and check the IVs. Because of the Destiny Knot, 5 IVs will have been passed down from either parent. Now let's say your newly bred Skarmory has 31 HP, 0 Atk, 31 Def, 31 SpA, 12 SpD, 31 Speed. This mean it got its HP and Def from the mother, and its Atk, Spa and Speed from the father, while the SpD was the "wildcard" stat. But you knew this already. The point is that the game's RNG is now fixed in that spread: HP and Def from the mother, Atk, SpA, Spe from the father. So now you can reload your save (from after you rejected the first egg) go to your box and, for example, get a 0/31/0/31/0/31 female Spritzee (just an example) and breed it with your 31/0/31/31/0/31 Ditto. Yes, I mean, swap the Skarmory and the Pidgeot for the Spritzee and Ditto. The newborn Sprtizee will certainly inherit the Ditto's Atk, SpA and Spe and the female Spritzee's HP and Def. That's because the game has already pre-determined which IV values will be borrowed from which parent with the Destiny Knot mechanic. So if you want another spread of IVs to be passed down, just refuse the egg again and repeat the process until you get the desired inheritance. Is that clear now?
(prole paras is what I was calling the offspring paras)
Edit;
I'll try to illustrate it again, and in a way that shows how useful this is.
So I have a [18/x/23/x/31/x] male Larvitar and a [21/x/x/30/8/31] female Bagon. These are the only IVs I know of them, and they suck. I give Larvitar a Destiny Knot, and an Everstone to Bagon, and take them to the Day Care Center. When the dude tries to hand me an egg, I decline. I save my game. Then I get another egg, but this one I accept and hatch it. Now it's time to check the newborn Bagon's IVs. Let's say it got 21/x/x/23/30/31/31. This means the male Larvitar passed down its Def and SpD, while the female Bagon passed down its HP, SpA and Spe. So let's take a note of that:
Male: Def, SpD
Female: HP, SpA, Spe
Now I reload my save. Instead of getting a second LarvitarXBagon egg, I change the male Larvitar for a male Zubat with x/x/31/x/31/x and a female Swanna with 31/x/x/31/x/31. One of them must have the Destiny Knot equipped, of course. I then accept the egg. What will happen? The baby Ducklett will have, with 100% certainty, the father's Def and SpD and the mother's HP, SpA, Spe -- that is, all the 31 stats I wanted.
With this method I turned two useless, shitty IV'd Pokémon into a way to get the IVs I wanted in my baby Ducklett.
...does this make any sense now?
