What are they talking about?

This makes no sense to me. I have no experience with such things:

“Get inside the vehicle and depress the clutch to shift the car into “Neutral.” Insert the key into the ignition and turn it to the “On” position. This is the place the key would be after a normal turn of the ignition switch for starting. Instead, with a clutch pop, the ignition will already need to be on so that when the engine is turned over, the key is in the On position.Move the car in position to be pushed from behind or sent down a slope for the starting procedure. Check to see that the brakes will …”

What? Huh?

To me, this is what happens when you pop the clutch:


photo credit

via Clutch