This week we're going to take a look at how I install under the track magnets for uncoupling KD couplers. But before we do that I want to share with you a few changes I am making to the original trackplan. It's always a good idea to lay out some rolling stock and building kits on the trackplan once it is transferred to the layout just to make sure everything fits the way you expected it to. In this case it didn't, which led to a cascade of changes. However I think the changes create a much more esthetically pleasing design that will be more interesting to operate. So let's get started!