कामिक आगम: पूर्व भाग (अष्टाविंशति मूल शैव आगमों का प्रथम एवं सर्वोच्च आगम महाकोश)

The pegs to be posted into the ground are to be made of bilva tree for the deities.
For the bra'hman.as, they are to be made of kha'dira and sa'la trees. For the
ks"atriyas, they are to be made of a'sana tree and vakula tree. For the vais'yas, the
pegs are to be made of tintuka tree and kha'dira tree. And for the s'u'dras, they
may be made of the same trees. Or, other recommended trees may be used for
all the castes. The priest endowed with sufficient knowledge of the concerned
scriptures should design the pegs to be driven into the ground according to the
uninterrupted tradition.
द्रुमैरेभिः प्रकर्तव्यो गृमादिर्भ्रम वर्जितः ।
मध्यान्तस्थितैः कीलै र्मण्डलैर्नवभिर्युतैः ।। १९
drumarebhih prakartavyo gr'ma'dirbhrama varjitah /
madhya'ntasthitaih ki'lair mand'alair navabhiryutaih // 19
Being absolutely free from vices such as covetousness , perplexity and so on,
the pegs are to be made from the trees mentioned here, by the experienced priest.
The top, middle and the bottom of the pegs are to be adorned with nine man.d'las.
वितस्त्यन्तस्थितैस्तावत्कीलं सूचिसमन्वितम् ।
ग्रामकेदार शैले स्यात्सूचीरेकाङ्गुलयता ।। २०
यवोदरमुखां हेमरूप्यताम्रमयीं तथा ।
vitastyantasthitais ta'vat ki'lam su'ci samnvitam /
gra'ma keda'ra s'aile sya't su'cireka'n'gulayata' // 20
yavodara mukha'm hema ru'pya ta'mra mayi'm tatha' /
The tip of the peg should be associated with sharp needle.The pegs are to be
driven into the ground in such a way that the space between them measures
one vitasti. For the ground situated near a village, meadow, mountain and so on,
the length of the needle should be of one an'gula. Its face should be in the form
of a drum known as yavamadhyama. It should have been made of gold or silver
or copper.