Bartitsu

When you behold the new "Sherlock Holmes" fillum - which you will love, as SC and I did, in spite of its incongruities and excesses - don't assume the fighting art employed by the tricky private dick and his hetero lifemate Dr Watson to be anachronistic. It is, in fact, a legitimate period style of fascinatingly eccentric origin. Take it away, Wikipedia...

en.wikipedia.org/wiki/Bartitsu