Type alias BeaterContents
BeaterContents: ["bow" | "chime hammer" | "coin" | "drum stick" | "finger" | "fingernail" | "fist" | "guiro scraper" | "hammer" | "hand" | "jazz stick" | "knitting needle" | "metal hammer" | "slide brush on gong" | "snare stick" | "spoon mallet" | "superball" | "triangle beater" | "triangle beater plain" | "wire brush"]