## Design Concept The keychain whistle is designed for practicality and convenience, providing a compact and sleek accessory ideal for everyday use. ## Purpose This whistle is perfect for those seeking a discreet yet effective emergency signaling device that fits seamlessly into any keychain setup. ## Printing Suggestions Consider using a strong, high-quality filament like PLA or ABS to ensure durability and longevity. A small nozzle size will help achieve finer details during the printing process. ## Assembly Instructions The design requires no additional assembly; simply attach it to your keychain for instant use.