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