https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8782509
Key
Author(s): Knight, Paul Slade, author. The key is an instrument used to secure an opening through which food can be passed into the mouths of persons refusing to take nourishment; it is a circular plate of metal approx. 1/4" thick on which is a 1/2" opening; a T-shaped handle is attached. Original public domain image from Flickr
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