Make your card
They see the front. They scan. Then they see this:

Heads up — this one is rude. It is meant for someone who will laugh at it. Pick a different card if you are not sure.
20/24
0/70
No account needed. Your card and link arrive by email.
Shows on your statement as JOKESLIP.COM.
So anyway, as I was—
Scan to find out
jokeslip.com
Print it, or send the link.