It has the name of Outer Demon Chamber, which is to give users a sense of excitement and deliberately improve the material to a harder one. In addition, the ultra-thick design is also its selling point!! The scale-tooth explosion design is a large number of reverse inverted The hook makes your dragon feel a strong sense of friction when it is pulled out. In order to make you have a more fitting feeling, the internal passage is specially widened to further enhance the suction force! It is a highly stimulating two Dimensional name device!