"I'm sure in the right hands it can be pretty useful," Justin extended, "but in this case, it really is over my head. I'm sure my friend will get something out of it, though."
He offered his hand for a proper shake. "Name's Justin Finch-Fletchley. I'm always one to return a kindness, so owl me if you ever need help with something I can help with. Which, honestly, usually involves a listening ear, the Muggle world, on occasion fine wine, and sexual favours."