Draco blinked, then gave a sheepish look to his wife. "It's just an idea I'm poking at. I don't have enough to let it out into the wild yet. Give me a little time to let it simmer, then you can help me fuss with it." He knew how much Hermione liked brainstorming and working things out together. Once he had a bit more in his head than just a couple of strings, he'd lay it out for her to prod at, too.
He laid the flowers they'd brought at the base of the headstone, then took a closer look at the bottom of the stone itself. Just above the grass line was a small indentation. Draco cocked his head, examining it, then looked over his shoulder at Hermione. "Did you wear that pendant ap Hywel gave you?"