Why has BTS pin become so popular?
In the recent two years, SICpin has received a large number of BTS pin orders. There are plenty of BTS sellers and fans emerged on Etsy, Instagram and other social platforms. Even the pin artists / designers who had used to specialize in other popular cultural designs also turned to the design and production of BTS. Now it becomes to a leading culture in new enamel pin making and spreads quickly. So how do you think the BTS pins become so popular?