ADDED: Confession. Meade found that article and emailed me the link. After I wrote this post and alerted Meade, he read it and said: "Thanks for being my cat's paw... my pussy paw."
MORE: A "cat's paw" is, to quote the OED, "A person used as a tool by another to accomplish a purpose." Historical example:
1657 Killing is Murder 3 These he useth as the Monkey did the Cats paw, to scrape the nuts out of the fire....The use of the word "pussy" to refer the vulva or vagina goes back as far as 1699:
1883 American 6 245 Making themselves mere catspaws to secure chestnuts for those publishers.
1699 T. Durfey Choice Coll. New Songs 7 Johnny..many Times Pussey had fed.I hope that's not too pedantic... so pudendantic...
1790 A. Tait Poems & Songs 144 Thro' Susan's Holland smock or spare Or on her pussie for to stare.
1865 ‘Philocomus’ Love Feast i. 9 My poor pussy, rent and sore, Dreaded yet longed for one fuck more....
1879 Pearl Oct. 108 To handle, feel, and revel in such a luxuriously covered pussy and bottom, excited me more every moment.
1899 Mem. Dolly Morton 88 Two, or three of them put their hands on the ‘spots’—‘pussies’ they called them.
1913 L. Strachey Ermyntrude & Esmeralda (1969) ii. 12 I'm also sure that it's got something to do with the thing between our legs that I always call my Pussy....
1973 A. Powell Temporary Kings v. 258 Louis's stuffed a charming little cushion with hair snipped from the pussies of ladies he's had.
1841 F. H. Ramsbotham Princ. & Pract. Obstetr. Med. (1855) 33 These parts, closing and surrounding the genital fissure, altogether constitute the pudendum....AND: The origin of "cat's paw" is a fable by La Fontaine, and it reveals why the quotes above include references to nuts.
1922 A. G. Magian Sex Probl. Women ii. 31 The Vulva, or Pudendum, includes—(1) The labia majora and minora bounding the pudendal cleft. (2) The mons veneris. (3) The vestibule, [etc.]....
1993 B. W. Aldiss Tupolev too Far (BNC) 36 What I clutch in my hand is a fruit of the sea almond. It's..covered with a fine but coarse fibre like pubic hair. In fact, the nut resembles a girl's pudendum.
(More of J.J. Granville's fantastic illustrations of La Fontaine here.)