우뚜기식 후방낙법 In this clip master Ko Sehwan explains Hankido's soft backward fall, also called tumbler (after the children's toy). When falling always make sure your head doesn't touch the ground. Practice bending backward from the waist. 머리 닿지 않게 조심합기다. 허리를 많이 젖히는 연습을 하세요
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