Matt smiles crookedly as he removes his laptop from his bag, along with a plastic bag containing sticks of sidewalk chalk.

"I should have all the sigils on my laptop," he says. "I found some I like, they'll give this thing the direction it needs. And ..."

He turns back to the bag, frowning.

"No bay, no violet ... aha, here we go. Cardamom ... aloe ... where'd I put the rosemary ..."

Eventually, he surfaces with a handful of herbs.

"So, anywhere here is fine?"