[1] It appears to be indigenous to Flores in East Nusa Tenggara, but it is also practiced in neighboring islands of Bali and Lombok, Indonesia.

Caci performance is most prevalent in Manggarai Regency, especially in the town of Ruteng, where this ritual whip fight has become a major element of its people's cultural identity.

Originated as a part of harvest ritual, this whip dueling spectacle has grown to become an attraction for foreign as well as domestic visitors.

Their lower backs and ankles are adorned with small jingling bells, which make peculiar sounds when moving and fighting.

[2] The masked helmets are made of buffalo hide that is wrapped in colourful cloths with horn-like headgear, along with head-cloths worn over the face.

[2] During the start of the match, the contenders might go back and forth in a prancing manner, thus jiggling and ringings the bells attached on their hips and ankles.

The winner is required to happily sing a quatrain while the loser replies in a low voice to show despair.

Younger boys compete early in the day while senior fighter and champion fights take part during the afternoon.

During the match, musicians, who are usually women will gather and play drums and gongs as a musical accompaniment to encourage the contestants as well as the spectators.

Caci in modern times is often mistaken to be a dance, but actually throughout its history until as recently as the 1970s, it was a realistic fighting art.

[1] Seasoned fighters were heavily scarred on their upper body, while losers further had the mark of the defeating blow on their face, or worse — having one of his eyes blind.

[2] In East Manggarai Regency, the caci whip fight is performed by the men of the Ndolu ethnic group during the peak of the Karong Woja Wole traditional festival.