Shiva Purana
शिखायां बद्धसूत्रस्य शिखया तच्छिखां गुरुः ॥ आबध्याहतवस्त्रेण तमाच्छाद्य च वर्मणा ॥ ४३ ॥
The teacher tied the thread to the top of the thread and tied it to the top of the thread. She tied him up with a struck cloth and covered him with a shield.
english translation
zikhAyAM baddhasUtrasya zikhayA tacchikhAM guruH ॥ AbadhyAhatavastreNa tamAcchAdya ca varmaNA ॥ 43 ॥
hk transliteration by Sanscript