Find an aluminum can cut out and pile head height equal width of the long strip to pile head with aluminum plate surrounded by the same thickness as the original. With a high-power soldering gun dissolved lead filling can be. There is no welding gun, then you can find a carbon rod (with a battery carbon core can also be) to find a section of more than 4 square copper wire connected to the other end of the battery the other end of the copper wire connected to the carbon rod with a carbon rod lightly damaged end of the pile head will produce an arc of light can be melted lead melted directly to the question, surrounded by a good pile head can be. The second requires a little bit of technology, there is a certain degree of danger. Caution