Ever since my fretless became a beast of an instrument (thanks to the recent electronics swap I had done by the fine folks at Roscoe), I've been inspired to get my vibrato chops together. I've read all kinds of articles, watched all kinds of youtube clips & spent a fair amount of time just experimenting on my own... all with very little success. I was trying to roll the pad of my finger on top of the string, but that was taking way to much hand motion for me to think I was doing it properly. Then I found this article!! For me, the lightbulb went off when he started talking about the bone of your finger and the fleshy pad of your finger as two separate things. Lock down one, and the other can still move. Although that made the squeamish part of me go "eewwwww", I tried it. And it worked. Right away. All four fingers. So thank you very much to fretLessSince68 on fretlessbass.com!! You just took my vibrato from 0 to 80% in less than 5 minutes of reading. I still need to develop control and get it working equally well with all four fingers... but I'm definitely on my way. Hopefully that'll help some of you guys out there struggling with it, too. Does this "move your bone rather than your skin" approach jibe with you guys who already have your vibrato in full swing?