Saw this at the recent PRI show. Thought a few here might find it a useful solution. I have a car i might try it on.
Nobody should for a minute consider it an "emergency brake"..
My application is an IRS, I'm pondering fabbing a Ti mini solid disc on the rear DS yoke and mounting the brake there.

We'll see.

And I have no connection with Wilwood other then what i have shared here.

Attached PDF document
Electric Parking Brake.pdf (395 downloads)
Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.