Just take the top off and rub
Light Up and Enjoy Once the blunt is dry, it's time to light up one end and get to toking
Sci Rep 13:9099 Dobaradaran S, Nabipour I, Saeedi R, Ostovar A, Khorsand M, Khajeahmadi N, Hayati R, Keshtkar M (2017) Association of metals (Cd, Fe, As, Ni, Cu, Zn and Mn) with cigarette butts in northern part of the Persian Gulf
The Department of Health reminds that cigarette butts are not only litter, but also toxic waste, which releases dangerous chemicals such as lead, arsenic and nicotine into the environment
Its not a massive change, but its noticeable, and topping off just doesnt fix it