Joseki-related life-and-death example 2

Joseki  

This is the 3-3 invasion joseki we see way too often.

Joseki  

Sure the white group at the corner is alive without question, but future development may change matters...

Discussion

Discussion  

After the two innocent-looking are played, the white group is no longer alive, without additional defense.

Discussion  

The sequence of cut at followed by the placement at is the killing move. is answered by , and the rest is similar to example 1.

Discussion  

If is played here, still kills.