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