Chains

#1
Whilst selected, click and drag on a gear to another one to connect the two gears with chains, note that these two gears have to be on the same axi in order for this to work. Chained up gears will transmit movement directly instead of reversing it like gears normally do, the chains will break if you try to rotate a gear that is chained up with another gear iit is touching.
 
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