We were somewhere around Barstow, on the edge of the desert, when the
drugs began to take hold. I remember Bob Eager
saying something like:

I still use IBM Model M keyboards. The cats use the provided walkway at
the back of the keyboard...

http://www.dansdata.com/images/clicky/ballboard1024.jpg

I've not seen a clean one of those for years.
Must get the pressure washer out.