And they all fall down:

[Andrew Robinson]

No offence taken, I just thought that people who enjoyed your links  
might enjoy mine :-)

- Andy_R

On 25 Jan 2008, at 18:44, K9 Kai Niggemann <canine at waf80.de> wrote:

> sorry, didn't mean to insult grampa -- I never researched the genesis
> of the name, just used the one they were using to refer to them on
> boingboing where I first learned about this category of ingenious
> devices.
>
> Kai