Same, it feels like there's an invisible barrier.

I tried that a couple times but didn't think it was possible.

I also wonder if this can be used as a more satisfying way to get a hole-in-one.  🤔  I've been trying to get the ball to roll along the rail and fall onto the blue arrows in one stroke, but every time I think it looks like it'll work, the ball either clips through the rail and falls, or it just randomly jumps to the right for no reason.

fc1a52bacc

This route is more fun than the hole in one portal. I did this and found it very satisfying.