In the golden age of Martinis (1950s and 1960s), a number of fantastic gadgets were invented to help preparing Martinis, typically aiming to make sure Martinis were as dry as possible (at that time the quest for the driest possible drink had started already). Some of these gadgets exist still today, such as the Vermouth …
Martini gadgets: the Martini Stones
The Martini Hour 