3-4 point low approach one-space low pincer
This close pincer has been played for centuries, and there are many worked-out joseki for it.
In order of popularity in a database search, White's answers are.
- jump out at ''a''
- contact on top at ''b''
- tenuki (3-4 point low approach one-space low pincer, tenuki)
- press at ''c''
- counter-pincer at d
- counter-pincer at e
- the rather diffuse knight's move at f
- the 3-3 contact play at g
- the high counter-pincer at h.
There are some other possibilities, such as the Chen Zude play at j that is mentioned in the Yang Yilun book Whole Board Thinking in Joseki. The book also recommends k if white is dealing with the Kobayashi formation.