How to kowtow?

We (Liaocheng, Shandong) kowtow to our elders 12, and kowtow to our peers 8.

12 knock on the head method:

Bow, kowtow four times, bow; Before going forward, bow (either to the coffin or to the old man on the left), stand up and pick up the incense given to you by the person on the left, give it to the right, bow (either to the coffin or to the old man on the right), and return to the original kowtowing posture;

Bow, bow four times, bow, come forward, bow, kowtow to the wine (three cups in all) given to you by the person on the left, spill it on the ground, give the glass to the right, bow, and return to the original kowtowing position;

Bow, kowtow four times, cry on the ground and wait for someone to pull you up and bow.

8 knock on the head method:

Bow, kowtow four times, bow; Go forward, bow, kowtow, take the incense given to you by the person on the left, give it to the right, take the wine (three cups in all) given to you by the person on the left, sprinkle it on the ground, give it to the glass on the right, bow, and return to the original position;

Bow, bow four more times, and cry on the ground until someone pulls you up and bows.