There are basically 2 ways to do shoulder pads. i tried them both and i find use for both of them. First is the same as in previous post when we were making rhino doors.
Here are the unaltered rhino doors
The best way in my opinion in making of shoulder pads is to cut straight line just below the pad
Next put some greenstuff in it and then push the marine in place
When it hardens, it should look something like this