Greetings! I'm so glad you enjoyed it! Thank you for your kind words.
Yea, I think it's a great idea! I made it intended to be played at a table, but if you want more mobility, paper clips could do the job, except that it might ruin the card since it will scratch and knead it, but if you didn't spend too much in your printing and might even discard it at some point, it surely is a practical idea.