Back of the neck.

Soft spot. Back of the neck.

Back of the neck. Purple nerple.

Which can be accessed through the back of the neck.

Took a shot to the back of the neck.

That's what we need: water on the back of the neck and the code.

Thank you. Just the back of the neck and the ears.

Just... please... I beg of you... not in the back of the neck.

The trauma to the back of the neck was done with a blade of exotic design.

Water on the back of the neck makes you feel marvellous.