I have to wire a 12V electric door strike. It is being installed on a double door where one of the doors is stationary, but by flipping two levers, it will open as well. So I'm wondering how do I get my wire up to the strike?

The stationary side of the door will not be used often, but I don't want to install with a method that will fail because they do decide to open it one day to get something big out. Any ideas?? Is there a flexible sleeve designed for this?