Out of the DI box you get a clean guitar signal and no noisy effects. There only helps to set up another microphone in front of the guitar amp speaker. That is usually done. Then you have both a clean and a distorted signal for your mix. Great.
HiWhen I read your question an article popped into my head.By searching the web I managed to find it .I have given you two article's in reliable journals and its an interesting readsee topic info.Topic InfoA report by Jo Marchant New Scientist August 31st 2010Cutting blades that are made of obsidan a volcanic glass that forms a sharp edge when it fractures, was found at the early bronze age settlement called Ikizztepe, in the Black Sea Provence of Samsun in Turkey.The investigation found 700 skulls in a nearby graveyard and 14 sculls had cuts that could only have been made with a very sharp tool.The cut marks show the blade was used to make a rectangular opening all the way through the scull.The patients lived at least 3 years after the surgery because the skull had tried to close the wound.Also reported in General Anthropology volume 18 issue 1 31st May 2011I hope this interested you to