Clutch delay device

SeeThruHead

looks like it only delays when the circuit is closed.
So install a simple button anywhere you can reach when you are launching.
In the video they made their staging brake close the circuit. Which makes sense.
But that button can go anywhere within reach.

It doesn't seem to need to be more complicated than that.

You could maybe hack the ecu to supply voltage while you are in first gear.
But seems way more complicated than just holding the button when you are launching, to me.

EDIT:

Or you could mount a switch in the shift linkage that is only pressed when in first gear.

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