Drug Rug?

So ive seen a friend of mine with one of these hoodys and i asked her what is it called because i definitely plan on getting me one she told me its called a drug rug. My face was like O_O i didnt really believe her so i looked it up and well i found it haha. Man i would love to get my hands on one of these i guess so as i get some money ill purchase one. They're like anywhere from 12-25 dollars online like amazon or ebay it would be nice to get one for Christmas heres an actual link to the drug rug that i would get!