But this is not a good way-first, you can't choke when singing. Not surprisingly, improper exertion will kill you. ...
Second: this method can not cure the symptoms, and it can not be used often, which will affect the pronunciation and skill practice in the future.
Third: n, don't feel bad about a!
Therefore, the correct way is to practice more throat muscles and sing hard with the method of "Dantian", which can relieve the pressure on some vocal cords.
The key is not to pinch your throat, it still hurts when it's useless.
As for some singing skills, you can explain them to your mother. There are very detailed answers above, so I won't say much.
Good luck.
Ask me if you have any questions. Satisfied, please adopt!