This pincer is a fun one, with a lot of good fighting. This is what happens when Black plays the knight move when White jumps out.

This is the shape that comes from pressing down against a pincer stone. This pattern shows up a TON in amateur games, not so much in A.I. games, and if you do not know it you can get into a lot of trouble.

This pattern comes from protecting high to White's approach and then allowing the pincer. There are different ways to handle it depending on the overall situation.

According to Alpha Go, getting double approached is not as bad as humans used to think it was,

This is a very common shape in amateur games and it is good to know what to do in the situation where Black pincers White. These sequences get pretty interesting, and this is one of those continuations you should commit to memory.