I'm not loving the riveting of the aft fuse bottom skin. Skinning the wings was much easier in my opinion. One of the issues I was having is that the back rivet set would like to wander increasing the chance of a poorly set rivet. So I decided to make a rivet guide out of a piece of wood. The wood is drilled such that it allows the cleco adjacent to the rivet I want to set, the perfect distance for my back rivet set to be in the correct position. The result is that it is much easier to keep the rivet set from wandering.
Once I had the makeshift rivet guide figured out, riveting ease and success rates increased dramatically. So I just kept grinding on.
In the end, I'm extremely happy with the shop heads.