RC car shock synchronizer.
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Previously:
https://www.homemadetools.net/forum/...524#post166630
https://www.homemadetools.net/forum/...385#post166048
https://www.homemadetools.net/forum/...791#post156081
https://www.homemadetools.net/forum/...093#post164941
https://www.homemadetools.net/forum/...628#post162960
