How to practice backhand pull in table tennis?

I have been practicing backhand pull for four years, I can share my experience with you:

When you pull the ball on the backhand, your elbow must be out, and you must build a pivot point to rotate your little arm, when you are a beginner, you can move the point forward a little bit more, that is to say, your elbow moves forward a little bit more!

Shake the little arm! Here is a very important place, is to send force, how to send force to throw the small arm? It's not very clear, you can observe the pivot point of the elbow you mentioned in 1, this pivot point in the process of throwing your small arm did not move, it means that your force has been almost correct, if you throw the small arm, the elbow that point on the downward movement, it means that your force is absolutely problematic, is in the use of the small arm of the independent force instead of the big arm to drive the force.

Must remember, no matter backhand forehand, pull the ball forward! Not upward, certainly not absolutely not upward, but more forward! In other words, don't worry about going over the net, as long as you're eating the ball, you won't go over the net no matter how far forward you go!

Always remember to never go too far off the table, stay close to the ball so your power can hit it.

Whether you take this answer or not, you can try these points I said, I believe there will be some new experience!