https://youtu.be/NbcA6A7FxD8 https://youtu.be/RPba93Ccsp0
Mechanisms used within contraption that I did not invent:https://www.youtube.com/watch?v=kApKOGkG5cAhttps://www.youtube.com/watch?v=ohi_oO-bgcUMusic used: Sn...
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