It’s believed that this had been done during the special ceremony seasons like solar or lunar eclipses. You can spot three loops on top of the balance, into which the balance actually hung. Also in one of the pillars you can spot the king’s image carved along with his concerts.
This structure almost appears like as archway at the end of the Kampa Bhupa’s Path just behind Vittala temple. The path in fact passes through this arch like structure.