it is a type of Pyramid scheme. seems that the purpose is more to spread the idea around rather than make oogles of money. plus the ability to get the stuff with out jummping on the pyramid pile make it seem more like a pyramid scam without a scam. of course i could just be trusting thumup:zpyro said:
They are like that...i drilled into one a year or two ago.BAURblades said:I belive they are copper 'plated' but have a different metal (maby nickle?) on the inside.