Aikido of South Brooklyn's unofficial credo "There is no authority but yourself" is borrowed from the closing lines of English punk band Crass's noisy, anarchic, seminal final album "Yes Sir, I Will".

The egalitarian spirit and sustained energy of punk rock are alive and well in our dojo. The ethos of punk informs our daily aikido practice: confidence, self-reliance, total commitment, and the merging of art and life.

The artwork features our aikido/anarchy logo on the front, Aikido of South Brooklyn on the right sleeve, and the Crass lyric on the left sleeve.

All proceeds support Aikido of South Brooklyn.