In the Initialise routine, move newplay somewhere and ChangePlayer to it, where:

Object newplay "yourself"
  with description "As good-looking as ever.", number 0,
       add_to_scope nose,
       capacity 5,
       before
       [;  Inv: if (nose has general) print "You're holding your nose.  ";
           Smell: if (nose has general)
                     "You can't smell a thing with your nose held.";
       ],
  has  concealed animate proper transparent;

Object nose "nose"
  with name "nose", article "your",
       before
       [; Take: if (self has general)
                   "You're already holding your nose.";
                if (children(player) > 1) "You haven't a free hand.";
                give self general; player.capacity=1;
               "You hold your nose with your spare hand.";
          Drop: if (self hasnt general) "But you weren't holding it!";
                give self ~general; player.capacity=5;
                print "You release your nose and inhale again.  ";
                <<Smell>>;
       ],
  has  scenery;