13. Beat the grass to startle the snakes. Korean: Ta ch'o gyeong sa
打è‰é©šè›‡ - Beat the grass and frighten away the snake
When opponents are reserved and unfathomable, you create some sort of stir to see how they will react. Yagyfi mentions this, and also notes that it is used in Sun (Zen). Certain Sun sayings and stories are used primarily to test people and find out what they are like.
Combat application: Test your opponents reactions with hand strikes, low kicks, verbal attacks etc. Push their buttons.
