J.Tune Camp's new�5-member girl group�TWO X have released a dance practice clip for their debut track "Double Up".

TWO-X stands for "Top (T) Win(W) One(O)" and "X signifying multiply", and the girls are more than determined to show their best to the public.The group is composed of members�Jiyoo,�Minjoo,�Eun,�Soorin, and Eunyoung.

Check out their debut MV here, and the dance practice clip below.