yi ge med pa'i rgyud
From RangjungYesheWiki
letterless tantra [JV]
Letterless Tantra [RY]
Tantra of No Letters. This tantra describes the actual means of practice, how to abandon activities and live in places free from defects, the four ways of 'freely resting,' sustaining naturalness as well as the undefiled method of the main part of practice [RY]
