The speaker describes a sacrifice in which four priests held the victim’s limbs while a fifth used an obsidian blade to open the chest and remove the heart as an offering to the gods.

“to the causeways one after the other they'd be worn up to the the top of the pyramids to the temple complex four priests each would take an arm and a leg while a fifth one would use an obsidian blade to open an incision and pull out the heart which we offer to the gods i've been to those pyramids the ones that you to walk in the the steps leading up are very very narrow you almost have to walk up sideways deliberately so because when the heart had been taken out and burned the body would be tumbled off the far side”