In 1975–76, he attended peyote meetings with Magda Cregg in Bolinas, which were held at the time of the full moon in the tradition of the Huichol, a Mexican Indian tribe.
During 1975–76, he joined peyote ceremonies with Magda Cregg in Bolinas, which took place at the time of the full moon and followed the customs of the Huichol people, an indigenous Mexican tribe.