Soldiers in Qing China demonstrating their weapons and shields, late 19th century
Psi yanara dudes (TMNT voice)
I think that's Japanese. The Chinese phrase the TMNTs always used was Cowabunga (ka'-wa'-bun-ga') meaning "Cow anus". It was usually yelled as a cry of elation like when your mom is cleared of cancer
Is that a woven shield?
Most likely, yes!
Wow. Very interesting story behind that siege.