It looks like Harrods may have another BlackBerry exclusive for customers with fat wallets. (crackberry.com)
Dan from Our Big Fat Wallet explains how income splitting works. (boomerandecho.com)
However, as others have said, it is a slim design, so as long as one is using it for flat or thin objects, it is fine, but it does not expand well to accommodate fat wallets, like mine, and such. (amazon.com)