If by some one in a million chance the wires somehow get pulled apart with such force that the solder joint fails, you think the wrapping together of the wires beforehand will do any better? An electrical connection's primary job is to transmit electricity, not to physically hold parts together.
Originally Posted by George Bynum
I've soldered wires many times over 60 years. EVERY document I've seen "required" the joint be physically secure before soldering. Yours looks really nice, and with the amount of overlap may do pretty well in tension, but I'd not do it myself. It's yours; do as you wish, but I discourage it.
Originally Posted by atikovi
Forming the ends into a hook and then soldering is awkward. Twisting them together and soldering leaves a bulky bulge.