History: A slaughterhouse "knocker" swings a mallet at cows heads as they enter the Austin, Minnesota meatpacking plant (1941) [965 x 728]

https://i.redd.it/0fxl5lyb4qt61.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/mspipr/a_slaughterhouse_knocker_swings_a_mallet_at_cows/?utm_source=ifttt