The following videos are exclusive only to Insight Natural Arts student members and are not intended for public use. ​The martial arts principles discussed in these videos are for illustrative purposes and not intended to serve as instruction. The creator of these videos will not assume any liability for the miss use or untutored attempt to apply these techniques in practice or in self protection application. The techniques are dangerous and they are intended for the use of current Sinmoo Hapkido practitioners under the supervision of a competent instructor.