V1 had lost power and was being towed in by a second unknown vessel acting as a Good Samaritan.  After being towed into the dock, the operator of V1 placed his right hand between the bow and a piling of the pier.  Operator/victim had his right index finger pinched off from the pressure.  The towing vessel left the area after towing V1 in not knowing that an injury had occurred.
HORSESHOE                     