Yuga fires successive beams not only from his Sparkle Belt, but also from his shoulders, which are equipped with beam openings just like his belt. As a result, this technique puts more strain on him than when he uses his Quirk normally.
Navel Buffet Laser also provides a convenient way to quickly illuminate dark spaces.
*Disclosure: Some of the links above are affiliate links, meaning, at no additional cost to you, Fandom will earn a commission if you click through and make a purchase. Community content is available under CC-BY-SA unless otherwise noted.