Green’s Dictionary of Slang

platters (of meat) n.

the feet.

1923		J. Manchon Le Slang.
1944		D. Burley Orig. Hbk of Harlem Jive 145: Platters—The Feet.
1960		J. Franklyn Dict. Rhy. Sl.
2023		R. Milward Man-Eating Typewriter 144: [M]y platters hit hot concrete.