दानं द्विगुणं सान्त्वपूर्वम् ॥ कZ_०९.६.५९ ॥
dānaṃ dviguṇaṃ sāntva-pūrvam.
Concessions/incentives (dāna) are twofold and should be preceded by conciliation.
That it combines persuasion with material/positional inducement—i.e., a broader toolkit than sāma alone.