Taiwanese lottery receipt holder

In Taiwan, every receipt you get has a lottery number. A lottery is drawn every couple of months, so you need to hold on to a lot of receipts when those numbers come out. This device allows you to do so in a tidy manner. Here's the patent (look for patent no. 310671):

http://twpat3.tipo.gov.tw/tipotwoc/tipotwekm?0005DFEE0006020100000100000C00A000000001000000000^10

Use either plastic or super glue to join the two halves together. If you have a cheapo printer (like mine) then some f