This plug was different than the one Melissa had up her own ass. Rather than being conical and expanding outward to one bulge then dropping back to a narrow neck, this one had three bulges and three necks, each progressively larger than the last. It was also longer and fatter, with the middle bulge being about the size of the one that had expanded her pucker then let it close to clamp it in place. And instead of a circular flange to keep it from going all the way in, this one had a sort of t-handle that Melissa realized would tuck nicely between one's ass-cheeks making it more convenient to wear while shopping or chatting with a neighbor.
Melissa dribbled some lube on her mother's rosebud and then wiped some across the three bulges. She placed the first knob against her mom's sphincter an
