how to prevent a covered hopper from derailing

Hello to day i an going to show you how to 

prevent a covered hopper from derailing.

I am going to yous a Walthers hopper. 

First remove the shell.   If you are not done 

making your hopper you can skip this step.

Then remove the whate.  

If you are not done making your hopper 

you can skip this step.

now it look like this so ya.

Ok so i cut the waits into smuler scwers.

and plays 6 per bay.

I lade 3 skineer wates on top.

and tapet them to the car .

Ok now it has a lower garviti senator!!!!!