Yep. The secret FBI handshake, and it was the same guy who played a would-be bank robber in The Bank Job.
Here's one. I took this picture last night at my son's choir concert.
There's something in this picture that reminded me of an episode I recently watched.
You might have to click on it and zoom in to see the clue.
Rafe Hollister sings it at the musicale
That's it Shorty. I was just talking about that episode recently and just by coincidence what to they sing at my son's concert...
Also, Andy sings it with Jim Lendsey in "Guitar Player".
Yeah, and Barney was harmonizing, well tryin to, sort of. Sounded a little twangy.
Perhaps the episode where Mayor Stoner was at his worst.
Yes I agree. He was a creep of a Mayor. Never did like him much.
Those Gossipin Men?
"It's my trigger finger, better not lose that. If I do I might as well quit the business."
A little controversy whether it was sulfa powder or sulfur powder - I have seen it listed both ways.
https://www.imdb.com/title/tt0512615/ says sulfur powder, but I agree with you.