Let's say I have some stranded wire that was cut in half and I want to splice the ends back together. Easily done with some solder and a heat shrink tube, which will make a good electrical connection with high tensile strength, and looks quite clean if done well. Unfortunately, it's also much more rigid than the flexible wire, and in fact bending it repeatedly will break it. Any alternatives I know of are even more rigid (those crimped on tube thingies) or ugly (wire nuts).
Given that I care enough that I'm willing to spend extra time and/or money, is there a method of splicing wires that more closely approaches the aesthetic, electrical and mechanical properties of an uncut wire? Or one that looks different but still good.
And sure, replacing the entire wire might often be easier, but I'm interested in cases where that's not an option.