The 'Linked Finger Pulse Diagnosis' technique Zuo Feng also learned from Zhuang Yu; however, mastering it requires a comprehensive understanding of various pulse patterns and an extremely clear knowledge of meridian flows. For someone like Zuo Feng, a teenager, understanding this only a little is almost the same as not knowing it at all. Thus, even though he knows this skill, he has never applied it,
He remembers that when Zhuang Yu taught him this technique, he specifically cautioned, 'Only use it when diagnosing sickness in people from your own village.' At the time, Zuo Feng thought Zhuang Yu was worried that, given his fledgling skills, misdiagnosis when treating outsiders could cause trouble. However, it wasn't until Teng Xiaoyun recounted past events that Zuo Feng realized Zhuang Yu's true intention was to keep his identity hidden,
