Mahabharata 1.101.20

अवतार्य च शूलाग्रात्तच्छूलं निश्चकर्ष हअशक्नुवंश्च निष्क्रष्टुं शूलं मूले स चिच्छिदे

avatārya ca śūlāgrāttacchūlaṃ niścakarṣa haaśaknuvaṃśca niṣkraṣṭuṃ śūlaṃ mūle sa cicchide

Our plain-language meaning of this verse is waiting for scholar review.