In the Talmud – Taanit 29a we learn

§ The mishna teaches that from when the month of Av begins, one decreases acts of rejoicing. Rav Yehuda, son of Rav Shmuel bar Sheilat, said in the name of Rav: Just as when Av begins one decreases rejoicing, so too when the month of Adar begins, one increases rejoicing.

A Segula / “Propituous Amulet” To get salvation from all difficulties is in the month of Adar – this month –

Write the following on a paper:

משנכנס אדר מרבין בשמחה
מזל אדר דגים
🐟

Draw a fish on the bottom of sign and post the sign in your home (some say opposite the door on the western wall).

It means “when Adar enters we increase the Joy. The zodiac sign of Adar is Fish. 🐟”

All the good blessings from Ohr Binyamin &
http://www.jerusalemlife.com
Live Better Forever
Amen.

Sources:

סגולה from הרב אברהם בן שבתי in his sefer ילקוט
אברהם 686
https://hebrewbooks.org/pdfpager.aspx?req=7657&st=&pgnum=170
https://hebrewbooks.org/pdfpager.aspx?req=7657&st=&pgnum=171