Lean on whatever you’re carrying rather than what you’re wearing. A backpack, beach bag, or picnic basket all work — bury the box among other items so it’s not sitting loose. You can also “prop” it, like hollowing out a book or slipping it into a food basket. If you’ll have a light jacket for later in the evening, that’s another good backup pocket. More ideas in our full article: Hiding the Engagement Ring Box for a Surprise Proposal.