Here are some poor examples of what a Mig flux cored wire weld looks like, without chipping the flux off after. I was mostly thinking about getting this job done, and not how nice the tool looked, when I made these folders for a standing seam roof edge. They are some pretty ugly welds before cleaning. I did grind whatever the coating is on the ViseGrips off because I didn't want to breathe whatever it was burning during the welding. (clean release duct tape protects the surface of the metal, and I like these folders better than any commercial ones)
Also, making the hydraulic hose holder for the batwing mower (yellow thing sticking up on front of mower) was done much easier outside than moving enough stuff to get that rig in the shop, and the little welder is easy to move to such places, and all you need is an extension cord. Without that yellow thing holding the hoses up, a couple of hundred dollars worth of hoses are in harms way.