I loved your game and I think you could expand this into something amazing with some polish and extended playtime. I didn't even enter this jam or anything I just played your game and liked it a lot :)
I would recommend a square player hitbox because when landing on/near edges, I sometimes slip off while preparing my next jump.
Another thing that would be nice: Being able to change which direction the player is rotating around the nut/bolt, while they are rotating. Another player in the comments mentioned changing the momentum, but I like the "snappiness" of the platforming.