What do you have to hold against the ramp to use surf in counter strike

for you to surf in counter strike you need to make sure when you jump onto the ramp do not hold the W which is the forward button that will make you slip off the ramp. For you to stay on the ramp you need to hold the strike button A or D depending on which side of ramp you on so if you surf on the ./\ left side of the ram you need to hold D to push your buddy against the ramp if you on the right side /\. then you hold A to push up against it.