Pink copyright is dyed pink to tell apart it from other substances for example copyright and methamphetamine. The unique pink shade originates from foodstuff dye or colored baking powder. The term “tusi” may have been coined to mimic 2C-B, a recreational drug used about the rave scene within the 1990s https://rylanzhxeo.dailyblogzz.com/35480474/details-fiction-and-pink-copyright-for-sale