This is an iconographical collection about using the left hand in dagger or single sword for unbalance the adversary.
Resources: https://docs.google.com/document/d/1G-3IDxT1I0O1pePgoJtmkkIIS8kjYPHivvH38b_4A_s/edit
Exercise and interpretation in video: https://youtu.be/vwWI_-UU5OM