A SHELL IS NOT ONLY A THING YOU GO  INTO 
 BUT  ALSO  A  THING  YOU  COME  OUT  OF, 
 EXPANDED  IN  MY   BODY   AS  A  TURTLE, 
 BUT ALSO  AS A HEDGE WHERE  YOU MAY LURE 
 YOURSELF  INTO  ONE  SIDE, AND  YOU  MAY 
    BUILD INSIDE, SOMETHING, AND THEN     
        EMERGE INTO SOMETHING ELSE