Slider Shell-BlessSlider Shell Bless Slider Shell Bless is made of brass, with fine carving patterns and then hand polished to look old, giving it the overall style of bronze. The shell has three styles: Peace, Happiness, and Goodluck,with corresponding seal characters engraved on them. It also represent ZERO ONE Studio's sincere blessings to friends. TIP: All Slider Shells need to be matched with the Slider Core before they can be assembled and played normally.