BQM 378

Hane?  

is good at a (see 4-5 Point 3-3 Invasion Attach) . But what about the hane? Is it inferior? Is there a refutation?

Natural  

Dieter: The natural answer is . and are to be expected. Black has territory. White has influence but not strength.

Variation  

This is painful for WHite (Black can connect at a)