Perfectly round keychain TROIKA, a classic with corners and edges, now available as TWISTER STYLE. Ergonomic and round design. Made of golden cast metal with a genuine leather loop and three keyrings. Ideal for multiple keys with 3 additional rings (approximately 1 cm in diameter). Helps in quickly finding keys in large bags or backpacks. Design by Rudolph Schelling Webermann. The convenient clasp allows for quick removal of individual keys.