The Assassin’s Teapot is a way one could achieve such a ruse, allowing two different liquids to be poured from what is seemingly a regular teapot, as shown by [Steve Mould]. (Video after the break.) ...

There is no shortage of desperate people willing to jump into these bottles. When my assassin’s teapot arrived, it did indeed live up to its promise. After it was visibly filled with water ...

Teapots are not just for pouring tea; some have surprising features that can perform tricks. One fascinating example is the “two-heart pot”, also known as the “assassin’s teapot”.