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Oct 30 at 0:14 history edited Nij CC BY-SA 4.0
deleted 17 characters in body
Sep 14, 2018 at 19:35 comment added Jason P Sallinger actually, the foot is not required if a knee touches. Thus the John Madden book, One Knee Equals Two Feet
Sep 14, 2018 at 19:08 vote accept Jason P Sallinger
Sep 14, 2018 at 18:59 history answered pboss3010 CC BY-SA 4.0