3-5 point 3-3 approach pincer
Keywords: Joseki
The pincer play at , or at a, is thought to be nothing special for Black, with best play.
White comes out with . Now
is normal (Black b, White c is vulgar for Black). White will use b or c next to make shape, depending on the overall position.
See example in 35103 enclosure.
In case Black makes the more distant pincer, White's play at is popular to get out into the centre.