Pâtissiers’ moral conduct, as expressed by the Reverend: bravo! (4,1,3)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

The Reverend must be William Archibald Spooner, and the spoonerism is BAKER TOW; BAKER for ‘pâtissiers’ is fine, but how do we get from ‘moral conduct’ to TOW? All I can think of is to change the pronunciation to give TOE, as in toe the line.