An PDF version implies:
The Hirz is well-regarded and mentioned in major collections such as Bihar al-Anwar by Allameh Majlisi. hirz e abu dujana pdf upd
Scholars like Mawlana Ashraf Ali Thanvi have noted that hanging the Hirz can protect a household from malevolent forces. An PDF version implies: The Hirz is well-regarded
Often used to reduce fear, anxiety, obsessive thoughts, and nightmares. Guidelines for Usage hirz e abu dujana pdf upd
Practicing Muslims use this Hirz for:
Since you are looking for a "good report" on the (also known as Hirz Abu Dujanah ), I have compiled a comprehensive overview below.
Some versions claim to. However, the exact Ism-e-Azam is not publicly agreed upon. The safest is to recite the dua: "Allahumma inni as'aluka bi annaka anta Allah..." (Tirmidhi).