... bags, hats, ect Anywhere you like.Advantage1).DIY, Easily change; Keep everyday flash.2).High temperature-resistant and extremely durable ... will be better for the combination) 2.how strength of pressure you ues,the pressure time and the temperature 3.using alcohol ... update every month7.always listening to your voices ,rather than pass the buck.8.competive price in the accessories field9.build freindly ...