Hello, my friend, I'm glad you came to my shop, we presented 8 laser head, when you put the 8 laser gloves, gloves laser will become more and more lines, when you put the laser head down, will become the 4 laser line, our products are Handmade. Laser gloves and smoke effect is very good, thank you for your patronage, I hope my laser gloves can bring you happinessIt is auction for Single hand ,Pls remark which hand you need