I hadn’t thought of this, but I think it’s pretty accurate! A lot of my tricks use kind of a push and pull and/or inertia from the yoyo.
I think that’s the case with this trick too, though I think the trick is also thunkier/more plodding than it first appears. The up/down arm/hand motion helps smooth the look of the trick and helps keep that appearance of total fluidity during the (brief) pauses between elements.
I think it’s one of those things where the trick won’t feel all that smooth, but once the up/down arm/hand motion gets added in, it’ll visually smooth the trick out to an extent.
Everything else you mentioned helps too - the ring finger, getting the string onto the base of your fingers for the underpass, etc.
I actually never do any chopsticks tricks with a single finger. (Visually, I think it looks better too - opens up the look of the mounts.)
I use index + middle or even index + middle + ring depending on the trick.
These is all super helpful! Thank you for sharing these insights! It definitely eases my mind to know that it’s a generally thunky trick and I’m not totally off base when it feels like that. I think I have a good grasp of what I need to do and I’ll be working to get it smooth! Thanks again I really like this trick!