Historical clue formulations

• Herky-jerky, as movements — 2021-04-06
• Stiff and mechanical — 2020-01-22
• Machinelike — 2016-12-11
• Like Tik-Tok in the Land of Oz — 2014-09-26
• Stiffly awkward. as movement — 2011-08-28
• Emotionless — 1998-04-12