[SPARCbook] Pointing stick cap replacements?

[brian-sparc at stech.cx]

> I'm running into some problems with my pointing stick; it looks like the
> rubber cap is wearing out, making it rather sticky and difficult to
> move.
> Has anyone found a source for replacement caps such as these (for a
> 3GX)?

http://www.scottyelich.com/sparc/memsaq has a good bit on this, though
individual parts are almost always hard to find.

-Brian