Here’s the “right way” to cut up your credit card in 15 different slices. I like to actually cut it up and throw the “halves”, one in the garbage and the other somewhere else.
Either way, you need to cut those credit cards up so you can be protected from over-using(abusing) them in these recession times.
To [scramble] the data in the magnetic stripe, run a very strong magnet along the stripe on the back of the card. Apply scissors or a hammer to the chip embedded in the card…