It's about two inches by two inches and about half an inch thick, under the skin of your shoulder.

CNN: Vice President on his latest heart problem

You do not go under a general anesthetic and, at the same time, if you then decide to proceed here, it's just really an incision in the skin under the shoulder here and the implantation of this device.

CNN: Vice President on his latest heart problem

The microchips each contain a unique number and are implanted into the loose skin between a dog's shoulder blades.

BBC: Dog microchips 'to be compulsory' in England

So when the reinnervated skin (on the chest or shoulder, perhaps) is touched, it registers to the patient as a sensation in the missing limb.

ECONOMIST: Rewiring nerves

When he was trying to get health care reform through, many people on the Hill were saying he needed to put his shoulder in, he needed to put skin in the game -- he needed to come, because this was what he wanted.

WHITEHOUSE: Press Briefing

At one point, he brought his lips so close to her shoulder that he could feel his breath bounce back off her skin.

NEWYORKER: Ziggurat

By rewiring a missing arm's motor nerves to muscles in the remaining stump, shoulder or chest, for example, and rewiring the arm's sensory nerves to the skin in these regions, a channel is opened to the part of the brain that once controlled the missing limb.

ECONOMIST: Rewiring nerves

Her limbs flopped horribly and when at long last he managed to hoist her so her head hung over his shoulder it was to find her blonde hair straying across his sweating face, sticking to his skin, caressing his mouth, so that he spat and retched in sick disgust, staggering so that he and his burden nearly fell.

FORBES: Fact and Comment