MikeLigalig.com

The khanjar (Arabic خنجر) is the traditional dagger of Oman. It is similar to the Yemeni jambiya.

The khanjar is curved and sharpened on both edges. It is carried in a sheath decorated in silver, on a belt similarly decorated in silver filigree.

A khanjar appears on the flag of Oman, as part of the national emblem of Oman.

There are many uses of the khanjar it is a symbolic weapon and worn by men after puberty. Nowadays it is used as a type of formal dress code and stylistic purposes. The release of the khanjar from its sheath before the 1970s was considered a social taboo and men would only do that if they sought revenge or assassination.

The khanjar can be found anywhere from Egypt to Iran under the same name. --Wiki