Observe Leaking O-Ring and Manual Removal Difficulty

What happens here

The video begins by showing a small, clear glass tube-like device, possibly a vaporizer or similar component, with a black O-ring that appears to be the source of a leak. An initial attempt is made to remove the O-ring manually with fingers, demonstrating the difficulty and the need for a specialized tool.

Goal: Understand the problem and the challenge of removing the O-ring without proper tools.