Sticks in my craw

[jimi c]

I understand that this is a phrase realates to dissapointment or upset (ie your football team scoring an own goal), but where did the phrase originate and is my grandad correct in thinking that a craw is the red part of a chicken's neck?

[Ewood27]

If you click here it will take you to a page with a selection of good answers. Your grandad is on the right lines but maybe not quite right!

[Kay]

Dont dragons have craws?