wallet with built in chip knip device. to stimulate the use of the chipknip service of Dutch banks.

To see the amount of money that is left on your chipknip at any time. As well as exchanging money with other chipknip cards. A fuel cell should provide the necessary amount of energy.

the chipknip or chipper service is to put small amounts of money on the bankcard which can be subtracted in small amounts. It was meant to replace coins and paper money in the wallet.

the wallet also contains a transparent money and credit card part to see what you brought along.

fall 2001