The sign for blue-ray as in "a blue-ray disk" is generally done by
signing "BLUE" and then fingerspelling "R-A-Y."
BLUE-RAY:
Note: Since this is a compound sign -- the tendency is to drop the
second movement of the sign for BLUE:
Also see:
BLUE
Also see: DVD
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ASL resources by Lifeprint.com © Dr. William Vicars