One-Two-Three example 3

A slip in style  

and in this joseki position were played by Shinomiya Yonezo against Jowa in 1821, 31 January http://badukmovies.com/pro_games/399-shinomiya-yonezo-honinbo-jowa.

Atari-then-connect may be 'natural' for many players; but in this case simply connecting at without the / exchange is the joseki. You can see this as application of conventional wisdom about the staircase, and the 123 principle.

Continuation  

White goes on the attack, with , and which are like a slow-motion driving tesuji.^[1] Then adding before playing is good style.

Continuation  

is another inducing move, adding purpose to . After White successfully went after Black on the top side.

Though he eventually lost this two-stone game, this sequence gives an idea of Jowa's power.

Charles Matthews

Old joseki  

Assuming Black just connects solidly with , this joseki from the nineteenth century shows White having to concentrate on making sensible shape.