you probably know that not all ice packs are the same. Trying to find one that’s the right shape and size can be a challenge, and keeping it in place while you’re using it can be frustrating.

I have a single, lonely blue ice pack in my freezer. Clever me: Last weekend I organized a park day with my friends when (the day of) I remembered I had only that one ice pack to work with.

Whether you’ve recovered from a serious injury, followed doctor’s orders post-op or simply tried to keep the swelling down after a minor bump or bruise, chances are a homemade ice pack has ...