How do you increase hot water flow in your tub faucet?

Of course, by turning the hot water faucet to the direction where the flow of hot water increases, with no specific direction depending on the style of the knob or faucet, but normally the hot water faucet is on the left and hot water flow is left , usual case to make water flow increase is towards the right, but this varies nowadays that there are so much styles of faucets.