And Wei Wuxian has read none. He frowns, wondering where and how Lan Wangji has found so many resources when he himself has no idea where to look. He could ask Klaus, he supposes, or venture to the halls of books in the city, but he can't even get to the city without Lan Wangji's help, and even he is unsure how to ask his lover to take him to town so he can read about putting their fingers inside each other.

"I think so," he answers, uncorking the oil to spread it across his fingers. "You simply rubbed at the spot before. Shall I start there?"