nges 'byung drag po

ascertaining limb [IW]

four aspects of ascertainment [RY]

aids to penetration [IW]

ascertaining limb [sher phyin don bdun cu pa'i nang gses gdams pa'i don nyams su blangs pa las, sbyor lam rgyud la skye ba ste, theg chen thar pa cha mthun gyi rjes su skyes pa'i mngon rtogs gang zhig mos spyod kyi sas bsdus pa'o [IW]