karateka tying the white belt (obi) with grunge background

aikido aikidogi aikidoka apocalyptic arts athlete background belt black china chinese combat exercise fight fighter grunge hand hapkido healthy japan judo judogi judoka jujitsu jujutsu karate karateka keikogi kimono knot korea korean lifestyle male man martial obi person power practice sambo serious sparring sport standing taekwondo the training tying uniform white with wushu