Trīdeksnis

Trīdeksnis (also known as trejdeksnis, trīdēkslis, trīdēksnis, strīdēkslis etc.)^[1] is a Latvian percussion instrument. It consists of a short wooden handle running through three increasing width tiers of flat horizontal discs, with small triangular metal rattles hanging off the edges of the disks. The trīdeksnis is used by shaking it like a rattle or hitting the handle against the palm, causing metal discs to jingle.^[2]

Trīdeksnis

A 1850 trīdeksnis from Apriķi, Kurzeme
Percussion instrument
Other names	Trīdeksnis, trejdeksnis, trīdēkslis, trīdēksnis, strīdēkslis, trīzdeksnis, strīzdeklis, strīzdiķis, ztrīzdiķis, trideksnis, tridēksnis, trijdeksnis, trumulis, trumulītis, trumuls, trumele, trumelis, trumēliņš, čakans, čokans, čokens, čakārnis, čagana[1]
Classification	Percussion instrument, idiophone
Hornbostel–Sachs classification	112.112 (Stick rattle)
Inventor(s)	Folk instrument

In NBC series Community, the trīdeksnis is played during a Latvian independence day parade inside a blanket fort in the episode "Conspiracy Theories and Interior Design".