RedactedNarrative: Vessel 1 was tied up to the dock on the Starboard side, they were departing the dock, backing away between two vessels.  The wind was pushing vessel 1 back towards dock as he was departing.  Operator of vessel 1's knee hit one of his throttles and caused the vessel to lunge forward and strike vessel two's port side bow that was secured to the dock.  Vessel one's bow rode up the dock before sliding back down.  vessel 2's owner was on the dock but did not view the incident.