Climbing "Uhelná sloj" at Placatá zebřata is a demanding experience, a real test piece at the 9+/10- grade. The route, whose name translates to "Coal Seam," likely alludes to the dark, perhaps even black, rock features that define its crux. The holds are reported to be small and precise, demanding excellent footwork and body positioning. It's a climb that requires not only strength but also a strategic approach, memorizing the sequence of movements to maximize efficiency. The technical difficulties are sustained, leaving little room for error. Successfully sending "Uhelná sloj" at Placatá zebřata is a significant accomplishment for any climber pushing their limits.