We used baseball cards then, not my fun new business cards — which are made out of recycled t-shirts! But if you close your eyes and listen for a second, this may bring you back there again. My book, Traveling at the Speed of Bike (on Amazon in all global markets both paperback and digital forms) may tickle other memories alive for you as well.
If you’ve never done this before, well, you’re in for a treat. All it takes are some clothespins and cards, and you’ll have the most horsepower in the neighborhood.