The pandero jarocho, pandero octagonal or pandero tlacotalpeño is a kind of tambourine

Tambourine

The tambourine or marine is a musical instrument of the percussion family consisting of a frame, often of wood or plastic, with pairs of small metal jingles, called "zils". Classically the term tambourine denotes an instrument with a drumhead, though some variants may not have a head at all....

 typical of the Mexican state of Veracruz

Veracruz

Veracruz, formally Veracruz de Ignacio de la Llave officially Estado Libre y Soberano de Veracruz de Ignacio de la Llave , is one of the 31 states that, along with the Federal District, comprise the 32 federative entities of Mexico. It is divided in 212 municipalities and its capital city is...

. It is octagonal in shape, ringed with eight jangling metal disks

Disk (mathematics)

In geometry, a disk is the region in a plane bounded by a circle.A disk is said to be closed or open according to whether or not it contains the circle that constitutes its boundary...

, and with an animal skin stretched over one side. The most common methods of playing are two: one, by alternately tapping the skin with the thumb

Thumb

The thumb is the first digit of the hand. When a person is standing in the medical anatomical position , the thumb is the lateral-most digit...

 and forefinger

Index finger

The index finger, , is the first finger and the second digit of a human hand. It is located between the first and third digits, between the thumb and the middle finger...

, jangling the disks and creating a dull beat on the skin; two, by running the outstretched thumb over the skin near the perimeter

Perimeter

A perimeter is a path that surrounds an area. The word comes from the Greek peri and meter . The term may be used either for the path or its length - it can be thought of as the length of the outline of a shape. The perimeter of a circular area is called circumference.- Practical uses :Calculating...

 of the frame

Frame

A frame is a structural system that supports other components of a physical construction.Frame may also refer to:-Engineering & construction:* A-Frame, a basic structure designed to bear a load in a lightweight economical manner...

.