Weba walk through the mass: The mass is the ritual catholics celebrate in response to jesus’ command to “do this in memory of me” (lk 22:19). Webthis pathway, woven through one of the most theological books of the new testament, provides a concise yet profound framework for understanding humanity’s fall,. The saving grace won by. Webthe basic idea is that you bow to the altar, and genuflect (touch your right knee to the floor) to the tabernacle. The tabernacle is a locked box where the body of christ is kept for.