Last year my pop broke the shift switch when throwing the steering wheel down during escape practice.
He also got confused what switch shifted up and down.
This year I made a cover with arrows that make it real clear and should protect the switches from abuse.
Here is a pic of the pull pin for the door net.
I found a company that supplies these double acting positive lock pins to aerospace manufactures.
The attached cable also attaches to the same type pin on the left side lateral head restraint bar. The cable is pulled manually with a lever and is attached to an air ram cylinder along side the seat. As we already have an onboard compressor for the air shifter it was an easy branch to send a line to the air solenoid that operates the cylinder.
I have also installed Bazzaz self mapping fuel injection controllers and got rid of the PCIII.