How to solder amateur jewelry

Update: The “special metal holder“ is not very special at all. It's two wooded parallel clamps, one holding the other. The vertical one is holding a pair of vice grips. You can find them at any home improvement store. Unless your are a dedicated jeweler you probably can't justify the cost of purchasing a proper soldering set up ( ). This is the same kind of soldering used on the copper pipes in your hou