This scraper made of bamboo, wood or metal most likely originated from the Brazilian Natives who used it in their traditional ceremonies. Similar instruments are found all across South America and among various Native groups as far as Cuba and Puerto Rico.
This is the last instrument to enter the capoeira bateria. It is also sometimes used in Maculelê, Samba de Roda as well as in contemporary Capoeira rodas.
The reco-reco is a pretty simple instrument and a good one to start out with.