Anonymizer mask
From doktorsleepless
The masks of Doktor Sleepless's face that have come into the grinders' possession. They suppress the output of all "nearby" RFID tags and thus act as an effective way to avoid tag-based surveillance; since the wearer's face is covered by the mask, they are also anonymous to facial-recognition cameras as well.
The range and area of effect of the tag jamming is unclear.
The masks were originally produced by a preprogrammed fabricator delivered to Shank Valentine, although the design has likely been transferred to other capable fabbers.
As of DS#9, possession of an anonymizer mask appears to be a crime punishable by arrest, and grinders in general appear to be suffering random searches designed to find them.
References
A comic-book semi-pro-tagonist sending copies of his own visage to random people? Where have we seen that before?
