4-4 point, double low approach, attach-block

4-4 point, double low approach, attach-block  

The attach-block of and invites the atari at . After connects, White may choose to play at a, b, or c.

4-4 point, double low approach, attach-block  

For the descent at , this is one possible joseki sequence.

4-4 point, double low approach, attach-block  

here can also seal the Black group in. is a more passive reply.

4-4 point, double low approach, attach-block  

here is a probe. If descends, then can cut, aiming at the snapback at Black a, White b, Black c. If leads to an unfavourable battle after , then can consider playing at b instead.

4-4 point, double low approach, attach-block  

The connection at almost always lead to the attachment at .