The members of Wanna One showed off their unique talents and special characteristics during 'Show Champion Behind'. Ong Seung Wu amazed fellow members with his ability to fold his thumb 180 degrees. Park Woo Jin�also impressed with his cool finger tricks.�

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While trying name more of the unique talents, members pointed out that�Bae Jin Young has thick, muscular thighs which measured to be 53cm (20.8 inches). Lee Dae Hwi�then stepped up and talked about his extremely tiny waist. The members immediately measured Lee Dae Hwi's waist, which turned out to be 17 inches (43.18cm)!

The members laughed in amazement. Hwang Min Hyun�commented, "But my waist is 30 inches!"

Netizens also expressed shock and commented, "I knew he was skinny but didn't know he was that thin", "That is crazy", "Daebak."