I never heard of them before. I just did a google search and found these:

http://www.sourcingmap.com/auto-car-anti-static-wrist-strap-ground-wire-led-skull-p-11344.html

http://members.cox.net/ylosk/private/Antistatic/anti_static_strap_earth_ground.htm

__________________
Chad
2013 Jeep Unlimited Rubicon
OBK#44
"Pleasure in the job puts perfection in the work." - Aristotle (384-322 B.C.)

SOLD
1985 300TD - Red Dragon
1986 300SDL - Coda
1991 - 300TE
1995 - E320
1985 300CD - Gladys
2006 Nissan Pathfinder LE
1998 Acura 3.0 CL