Rabbit's Step is a technique that allows the user to close the gap between them and the opponent in a single step. It can also be used to enhance the power of a technique like Dragon Staff Strike.[1]
Trivia[]
Judging from its usage and Hangul, it is likely that this is Tai Chi's equivalent of Renewal Taekwondo and Ssam-Su Taekkyeon's Bo-Bup technique.