Eeny:
Everything has its uses, even junk. Rebuilding ruins takes all kinds of materials, you know. One's trash is another's treasure, right? Tell you what, you bring me junk and I'll give you a Fortune Treasure Chest. Win for you, win for me...plus a tiny transaction fee.
You might have some in your inventory right now. Don't you have common materials Lv. 1-3, or some crystals?
Don't like the pendant attached to your hair accessory? Well, how about sealing it? A sealed pendant can help you craft a new one. If you want to know more, go ask a Maestro!