Because spending the rest of your life with your love should always begin with a QR code or a Golden Snitch.
With a baseball.
Cut along the center with an Xacto and remove the hard, stringy inner core to make room for a ring box.
Source: instagram.com
With Scrabble tiles.
Use a set you already have, or, if you want to preserve the memory forever, buy one here.
Source: etsy.com
With adrenaline.
They won't know until they look at the (unreasonably expensive) photo at the end of the ride.
Source: thedailyblender.net
With technology.
This QR code necklace, when scanned, reveals the message "Will you marry me?" Buy one here.
Source: etsy.com