This can be a lovable minimal machine by using a textured flat space about the entrance – using an almost rubbery grip experience. I have experimented with scraping this by using a fingernail and it doesn’t scratch or come off so needs to be quite hard donning. The UB Lite https://madesocials.com/story4467037/the-5-second-trick-for-lost-vape-thelema-solo-dna100c