A viscous damper for driving accessories by a crankshaft though a viscous coupler of the viscous damper. The ring gear bearing contacts the housing and the ring gear to support the ring gear for rotation about an axis. The hand-holdable housing has a cavity adaptable for receipt of a portion of the electro-cauterizing cannula assembly. The fiber amplifier or fiber laser may include a double clad fiber and the other fibers of the bundle couple light for cladding pumping. A planar region of the stamped insert part connected to the flap shaft is cut out from this stamped insert part.