Linda noticed a little discomfort and chuckled... "That butt plug will take some time getting used to, but you sure enjoyed it when I put it in."
Betsy blushed in spite of everything they had already done.
Linda held the collar and leash in front of her mom for her to inspect.
"It is plain, no words... functional." She leaned over and placed it around Betsy's neck, then oriented the leash in front, to hang between those beautiful tits. The leash laid across the chain and put a pull on Betsy's nipples so she leaned forward to relieve that pressure, putting her in an even deeper pose of submission.
"Does...does...