To ring in this year's Bicycle Day, the annual psychedelic celebration of Albert Hoffman's self-administered "discovery" of LSD, our friends over at 1xRUN announced over a dozen new blotter releases from Ben Frost, Brandon Boyd, Denial, Glenn Barr, Leni Sinclair, Luke Chueh, Mike Giant, Niagara, Ricky Powell, Tavar Zawacki (aka Above) as well as photographer Roger Steffens, featuring 4 iconic images from throughout his storied career, including a shot of infamous Merry Prankster and LSD icon Ken Kesey. 1xRUN did this interview with Roger Steffens that gives some context, and peep the gallery below for photos from the release.