3-4 point high approach, keima, attachment, cut
This page discusses the inside cut at , instead of the standard hane at a. The cut is considered an overplay but not easy to refute.
Best for both
Black can take the corner, while White takes influence in gote. Black's original approach ends up in an awkward position but there's aji at a.
Usually, the aim of Black's inside cut is to follow up with . Then with and further, white turns the position into a variation of the avalanche joseki:
If , and White's capture of 2 is better than Black's single capture
Black's unreasonable fight
If Black tries , it ends in failure. After connecting on the first line, White can keep Black in shortage of liberties.
If here, she ends up with two severe cutting points.