i ought to explore enemas. Let this be a first step in discussion? The bag itself is a fetish item: it has distinctive shape, its material, rubber, has familiar, rooty smell and a touch that skids off the fingers or rubs a bit raw against bare skin.
It hangs above you. You are squatting or on 4s. It has a nozzle that's meant to intrude, meant to have access with no apology. It's filled with warm liquid and its exterior transfers that warmth. If touched, the firm slosh of a mother's breast filled with milk.
You are prepared for entry, slickened with lubricant and posed for insertion. It, too, 'slicks up' and gingerly gets its way pushed past most sensitive membranes in order to leak its fill into you, give you a bloat, make its liquid seem solid, dislodge your solids, make you want to respond to it.
