Hi again,
I know I'm being a pain but if you are using a clicker to obvious good effect while your dog is on the lead then you really don't need it. It is a great tool to use for off lead work, and of course the dog has to know what the clicker means before you do this. But whilst on the lead you are using the clicker as a crutch for yourself rather than a training aid for the dog. That's great if, like you, the handler has enough understanding of dog training to use it properly. But if you know enough to use it to it's full potential on the lead then you really could use real and appropriate praise instead of the clicker. I hope you get what I'm trying to say. You are doing everything right, have a great understanding of your dogs character and should have more confidence in your ability!
That said - if it works for you - top banana! Don't say that the clicker was the difference though - it was you, not the clicker that made the difference.