The easiest way to share your digital card is sharing it using the widget. If saved to the 'Today' screen of your iPhone (the one you can swipe left on your lock screen), you can share your card even when your iPhone is still locked!
Here is how:
A video tutorial showing how to add your Haystack card widget to the 'Today' or 'Home' screen of your iPhone
The easiest way to share your digital card is sharing it using the widget. If saved to the 'Today' screen of your iPhone (the one you can swipe left on your lock screen), you can share your card even when your iPhone is still locked!
Here is how: