I said the TC multiplies torque at the expense of rotational velocity. It uses a mechanical advantage accomplished with hydraulic fluid. But clutches do not. They simply slip. Torque in equals torque out. Power out is proportional to the rotational velocity. The rest of the power in is lost as heat.A liquid TC does the exact same thing. You have a stator vane angle vs a rotor vane angle. The resulting vector is what multiplies the torque.