This is the best stuff for earthquake zones, people with children and pets or generally clumsy folks.
Museum putty is kind of like Silly Putty but it helps keep breakables in place.
I recently bought some and had not employed its use when a very careless cleaning lady knocked a family keepsake across the room, chipping it.
I wish I had discovered it years ago.
There are several brands. I bought this one.
I feel like I am the last person to discover this.