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