GokyoShumyoSection3Problem61/Attempts

This seems to be the basic idea:  

connects at

Pulling out doesn't avoid ko  

at

Have a hard time refuting this attempt other than saying that black takes the ko first.

I have the solution (with commentary) for a variant of this problem, and believe that this is also the intended solution for this problem:

 

 

 

Black a is met by White b and the ladder works.