- it's not really a company, it's just a name.

The English Mansion's Rubber Cell

The site often gets visited by surfers looking for "Mistress Sidonia rubber cell". (Or words to that effect.)

I assume that they meant:

The Rubber Cell graphic

Featuring a male slave, wrapped in rubber, and caged in a small cell to recieve the cruel ministrations of Sidonia von Bork.

This is available at The English Mansion, in the “Rubber (and Wet Room)” section.

(Members only, sorry, so no direct link, and there is no trailer available at present.)