Master Series 限制型貞操籠

The internal nubs add a surprising level of sensation that keeps things interesting all day, and the black finish looks even more intimidating than I expected. Fit is snug but comfortable for extended wear.

The smaller design is actually a huge improvement — it fits much more discreetly under clothes without any loss of security. The black finish looks sleek and feels durable, and the internal nubs add just enough stimulation to keep things interesting all day.

The internal nubs are the real surprise here—they add a constant, subtle tease that keeps things interesting all day. The black finish looks sleek and the smaller fit is much more discreet under clothes. Definitely worth the upgrade.