a paint roller, rollers most often make use of block lettering, though some writers that specialize in rollers develop advanced techniques to get around this shortcoming. Rollers will more often than not involve the use of extension poles, with the added reach allowing the writer to place a roller in places that would otherwise require the use of ladders and/or rope-access gear to reach with a spray can. While rollers come in a range of sizes, they are particularly favored for writing letters larger than can be practically accomplished with spray paint alone, and the largest examples of graffiti to be found are virtually all produced as rollers. Writers that work with rollers will typically aim to combine size, spot visibility, a color choice that contrasts with the chosen canvas, and highly legible block lettering, resulting in a roller that's recognizable from much further distances than feasible with spray techniques. rook trusted member of a crew. run The length of time graffiti remains up before being covered or removed. If a piece has been up for a year, it is said to have "run for a year." Rusto A popular abbreviation among writers for the brand name Rust-Oleum spray paint. scribe or scratch Also called "scratchitti," scribing graffiti created by scratching or incising a tag into an object, generally using a key, knife, stone, sand paper, ceramic drill bit, or diamond tipped Dremel bit. The Mohs scale of mineral hardness determines which stones or other objects will scratch what surfaces. Particularly popular for catching tags on mirrors and windows, when done properly the writer's mark will be indelible, remaining until either the chosen canvas is replaced, or the tag in question is obscured by additional scratching. slam To paint an extremely conspicuous or dangerous location. slash To put a line through or tag over another writer's work. This generally happens for one of two reasons: either the individual being crossed out is considered to be lacking in style and/or originality to the point that another writer considers them an eyesore, or the crossing-out is part of an ongoing conflict between two or more writers (or crews). As it takes no skill and very little effort to cross someone out, and even the most incompetent toy can become a serious nuisance once slighted, much of the time writers cross each other out anonymously. Crossing another writer out and taking credit for