And just to really confuse you Jim, I'll add my favourite method.
Add the top treble first by attaching it as per Budgie's bottom treble (loop through and over). Take the end of the wire leading to the bottom treble and take it back through the top treble eye. What you will now have is a treble securely attached and lieing alongside the wire. Attach the bottom treble as per Budgie's method, i.e. looped and twisted.
I now like to slide a piece of silicone over the shank of the top treble to tidy everything up before attaching the swivel, again with loop and twists.
The wire between top and bottom treble can be wound around the top treble shank to suit various bait sizes if required but I tend to have a number of traces made to suit different bait sizes that are easily switched using a Gemini clip at the end of my mainline/uptrace.