Not only do we have Eloise's insightful and clear introduction to SL BDSM/sex toys on this blog (and in the cellar library).
But we have a new series of tutorials and tips from Marine herself on her blog (http://realrestraint.blogspot.com) with the index at: Tutorials, Tips and Tricks (Introduction)
This series is to be continued to cover all aspects of the RR system.
Also Shuggi has started a series, concentrating less on the technical aspects but more on the uses and psychological aspects on her blog (http://shuggi.wordpress.com). starting with:
About a year ago I wrote a reflective piece on RLV technology called "Freedom and the Restricted Life Viewer".