Why did they bind the god Tajin with a rainbow?

Answers from the books of Samael Aun Weor

 

"But the harsh reality of the facts is this: That the god Tajin was tied with the rainbow and stopped there in the depth of the sea. And the legend says that twelve elders are watching him at all hours; and that the day a mysterious maiden appears around, bringing nothing less than the vanilla flower and throwing it into the sea, the god Tajín will be resurrected..."

Archaeological Secrets of Cempoala. Samael Aun Weor.