Chris Ricci showed this technique to me. It definitely works. It's named after our friend Pastor Tony Byrd...A.K.A. "The Rev".
On my way back from the Delta earlier this year, I stopped at my good friend's house, John Zillig. We tested it out using a nail weight, a round split shot, and a clam shot. There are some subtle differences for sure.
Since then I've noticed there are times when those differences are a reflection on the amount of fish being caught.
Check out the video....