Glue company mailed these broken vases along with a tube of their fast-drying cement. An expensive but attention-grabbing technique if you have a highly targeted mailing list like craft shop owners.
![](https://www.thebigad.com/wp-content/uploads/2017/02/3d-puzzle-direct-mail-piece.jpg)
3D Puzzle Direct Mail Piece | Fast-Drying Glue
Source:http://www.frederiksamuel.com/blog/2005/11/henkel.html