Fishtailing?
Just using the rudder like that will induce skidding which if done slow enough is a recipe for a spin.
No place for this in anyone's armoury unless they want to spin.
Maybe approach to land is not the place for this.
If you are so high that you can not safely make the runway with the techniques you master and are appropriate for your aeroplane it is probably time to go around and give it another go.
FD