
Onew had previously shown off his strength and skills on programs like KBS’s “Night Star” and “Happy Together“. Lee Seung Gi had done the same many times through “1 Night 2 Days“.
They’ve both made many celebrities feel a whole lot of pain, and have been very proud of it. This time around, they battled it out on “Strong Heart” to determine the true ‘King of Ttak-bam‘.

In the end, both the audience and castmates became fairly terrified by the strength of the contestants’ fingers, and the 'Ttak Bam King' was..... (To prevent spoiler, watch the videos & find out yourself!)
Check out the battle below:
Credits: jujuwol718 @ YT