He was very humble and unassuming , and was both in excellent shape and very proficient at his art .
We met Master Rifkin , and he explained his mix of Karate , Tae Kwon Do , and Aikido to us .
Tae Kwon Do was very humble and unassuming , and was both in excellent shape and very proficient at Tae Kwon Do 's art .
We met Master Rifkin , and he explained his mix of Karate , Tae Kwon Do , and Aikido to us .