This is the adorable very little device that has a textured flat region over the entrance – with an Virtually rubbery grip sense. I have experimented with scraping this which has a fingernail and it doesn’t scratch or occur off so needs to be rather tricky wearing. The UB Lite https://socialwebnotes.com/story4151581/a-secret-weapon-for-lost-vape-thelema-solo-dna100c