Added rubber glove finger to add more friction to the ball joint.

Works great, mounted with some other mounts, that I found on printables.
Red: PETG Extrudr
Black: Geeetech PETG
@Jurgen_B_70861 yeah the bed cleaner is also a great thing to have :D
@Jurgen_B_70861 I also printed a second ball for a Logitech C270 Webcam mount, that someone else created:
https://www.printables.com/model/426932-articulated-mount-logitech-c270-adapter (edited)