Verse 79upaviśyāsane samyag bāhū kṛtvārdha-kuñcitau ।
kakṣa-vyomni manaḥ kurvañ śamam āyāti tal-layāt ॥Settling oneself on a seat properly and half-bending the arms, focus the mind in the space of the armpits. When the mind merges into that space, one attains tranquillity.