>>my cats is arching of the back, closing of the eyes and initiation of
>>the purr. And they get a really stupid look on their face.
>when my girls get this look, i call it "catstacy." i will try your shoulder
>scratching on my two darlings and let you know. although they seems fixated
>on their ears as far as i can tell.
straight up, hunches down of fron paws, and purrs like crazy.