WHILE POSITIONING A SPUD ON THE DREDGE, THE EMPLOYER WAS REMOVING A PIN. THE LIFTING COLLAR WAS NOT PROPERLY SECURED AND DROPPED ABOUT 12"" CATCHING HIS RIGHT HAND MIDDLE FINGER BETWEEN THE PIN HE WAS REMOVING AND THE COLLAR ON THE SPUD. THE COLLAR SHOULD HAVE BEEN PROPERLY SECURED BEFORE ATTEMPTING TO REMOVE THE PIN.