He wore a black patch over his left eye.

NPR: Panel: Army Hospital Woes Go Beyond Walter Reed

Keep moving across the top back and you'll find a small black plastic patch, similar in feel to the plastic section on the top of the iPad.

ENGADGET: iPod touch review (2012)

Some of these features will merely assist the driver by, for example, pointing out a patch of black ice around the next bend.

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The only serious accident I've had in my life didn't involve a distraction at all, but a patch of unexpected black ice and a sudden crosswind that sent me fishtailing at 70 m.p.h. off the interstate into an Iowa ditch filled, thankfully, with two feet of snow.

CNN: Judge rules using smartphone maps while driving illegal

Each patch includes the Newtown seal, a black memorial ribbon and 26 small stars.

WSJ: MLB teams honor Newtown victims before openers

Both teams wore a patch that included the Newtown seal, a black memorial ribbon and 26 stars, one for each victim.

WSJ: Lester, Red Sox shut down Yankees on opening day

The infinitely flexible Romulus Linney Courtyard Theatre with enough metal scaffolding to strap on a herd of horse puppets and folding-chair seats flanking both sides of a patch of stage feels just as a black box should, raw and ready for conversion.

WSJ: Frank Gehry | Pershing Square Signature Center | By Julie V. Iovine