Climbing 'Vrzající dveře' (Squeaky Doors), a formidable 8+ graded route, is a true test of skill and endurance within the legendary 'Srdce ze zlata' (Heart of Gold) climbing area. Known for its intricate and sustained difficulty, this line demands precision, power, and psychological fortitude from start to finish. Climbers can expect a challenging sequence of technical moves, often involving razor-sharp crimps, dynamic lunges, and strenuous body positions that truly earn its 'squeaky doors' moniker – perhaps referring to the sound one makes when pushing through its intense cruxes. Successfully ascending 'Vrzající dveře' is a significant accomplishment, solidifying its status as one of 'Srdce ze zlata's' most sought-after and respected test pieces.