This is an excellent overview of X-Ray Eyes and Blindfold work. The gaffer's tape version of
Sightless Vision is worth the cost of the download, as is the instruction on the Blindfolded Drive.
The subtleties on Psychometry are also superb.
The only advice I would offer to anyone who
plans to build the gimmicked clipboards (or any clipboard, for that matter) is that to obtain the
clips, there's no need to buy a new clipboard, then drill out the clip in order to then install it
on the new board. Low profile clipboard clips are available for a few dollars online and will save
you some time and money.
Whether you've done blindfold work in the past, or are just
getting into it, you will not be disappointed with any aspect of this video or the PDF that
accompanies it.