Matsyapurana 101.11

101.11

āṣāḍhādivrataṃ yastu varjayennakhakartanam
vārtākaṃ ca caturmāsaṃ madhusarpirghaṭānvitam //

(7) _Śiva-Vrata_ should be observed during the four months of Âṣâḍha, &c. in course of which the devotee should not get his nails, &c., trimmed. He should avoid the use of brinjals and give away to a Brâhmaṇa a pitcher full of honey, clarified butter and golden brinjal in the month of Kârtika. By doing so, he goes to the realm of Rudra.—11-12.