Tone Window

Hi ! Before the summer I wanted to sound my discs in the back in the combo. Has anyone ever done this before? The discs are quite arched, can you still do this with a hair dryer or do you have to cut stripes there already? Would you like to make the ifs in a piece without cutting stripes. With us also a BMW drives around, which also has the front side windows black. I also like that. If someone gives a certain foil, which you also get registered (or with ABG) or ge doesn’t that mean anything, and he’s just going for good luck until the greens complain? THX, Thomas