Ryohei Yoshiyuki Uses Caffeine for His Cigarette Ashes
By combining the two common addictive substances, the ashtray can absorb the putrid smell of cigarettes for those that don't appreciate your pack-smoking habits.
Implications - Ryohei Yoshiyuki's coffee grounds ashtray is a brilliant idea that finds a uses for a product that is typically regarded as waste. This innovative is remarkable for its ingenuity. Have a closer look at the photos and do not forget to leave a comment below.