It’s a musical instrument from Capoeira. Capoeira itself is a Brazilian martial art and decentralized, pseudonymous, radical liberationist, outlaw culture.

I will be writing about the parallel and insights I’ve found between capoeira and bitcoin culture.

Here’s a quick sense of what capoeira is: https://youtu.be/4x0vZziThMA

I’ve been in the practice since 2005 but took many many years off due to work/travel - bitcoining has now finally helped me get back into it seriously.