I have noticed two ways of cheating through the vision spheres in the latest RLV (2.9.28) so here is a version (126.96.36.199) with the hotfixes ! Yes it has been an emergency, imagine all the clever subs being able to see through non opaque blindfolds. We don't want that, do we ? ;)
You can download the Windows version from http://www.erestraints.com/realrestraint/
The MD5 hash for the Windows version is :
The Linux and Mac versions are proposed by Chorazin at this address :
Have fun !