Where can I buy "Double shock" on the internet shock, Double, Where, buy, internet

mucc1928

hello
i want to buy some T-shirts from a brand called "double shock".  
Do you know any website that would sell this brand?

I know Extravaganza in HK carries this japanese brand, but Extravaganza or Double shock don't have a website.  And I don't have luck on ebay.