Study Days at Hogwarts

[Tracing silk has nothing to do with the wand], has nothing to do with the wand, has nothing to do with the wand. Say important things three times.

The relationship between traces and magic wands comes from [Fan settings]. Some HP fans have this setting, rather than the setting in the original work. This [Fan setting] is not applied in this book. If someone is poisonous because [the setting of other fanfics is not applied], then it can only be said that this book is not suitable for you. There must be a book in Next Door's Tip of the Tongue, Xueba, Legend, or Poisonous Egg that is suitable for you. If you still feel that it is not suitable for you, If it fits, then it's best not to read HP fanfics for the time being.

Note: There are many fanfics that believe that if you use a different wand or don't recite the spell in your own place, you won't be discovered.

Changing a wand does not mean that there are traces on the wand, but that you do not leave any evidence behind, and you also need to ensure that the wand is not found by the Ministry of Magic. (In this way, even if you are accused, you will have an excuse to defend yourself, because there is no evidence to prove that you used the magic spell)

Case:

When students in Wagado (Africa) were [accused] of violating the International Statute of Secrecy, they had a powerful excuse: “I just waved my hand and never meant to dislocate his jaw” (many Most wizards will never be able to master wandless magic in their lifetime, let alone underage wizards. But this excuse cannot be used often, and don't use magic where you live (Muggle area).)

The best solution: stay in a place full of wizards. ([Diagon Alley, Hogsmeade, or a wizard’s home], remember, you can’t just find a random place.)

If the place where the underage wizards stay is full of adult wizards, the Ministry of Magic will not be able to tell who is casting the spells. At that time, the only way to rely on family members is to self-consciously. I believe that no one will go to the Ministry of Magic to accuse you. Violation of the Reasonable Restraint of Minor Wizards Act.

It's only when you're accused that you get into trouble. This is a legal loophole.

In Prisoner of Azkaban, why Harry was not punished for using magic for the second time because Fudge did not accuse Harry. (Punishment here may mean expulsion.)

In Dumbledore's exact words: You were very merciful in not pressing charges at the time. "Order of the Phoenix"