My significant other and I had two plastic Tesco Clubcards. I lost mine, so I took a picture of hers. I was fairly certain a barcode photo would scan just as well at self-checkout, and it did. This got me thinking about Apple's Wallet pkpasses. I don't really know much about them. Could I potentially create my own .pkpass? If I could just include the same barcode as in the photo, it should do the job just fine. Now I should mention, Tesco does have an app on the App Store. If you just want th...