The only extra I can think of is gym card. I carry 4 cards. Gym, ID, credit and transport card. Don't see why you need credit and debit card? What's the difference?
If you add corporate access & credit cards you can still fit all into this http://i01.i.aliimg.com/wsphoto/v0/1114436895_1/BMW-M-Slim-W... together with some cash.
The only extra I can think of is gym card. I carry 4 cards. Gym, ID, credit and transport card. Don't see why you need credit and debit card? What's the difference?
If you add corporate access & credit cards you can still fit all into this http://i01.i.aliimg.com/wsphoto/v0/1114436895_1/BMW-M-Slim-W... together with some cash.