Description
By simply turning the upper and lower parts of the main body, UPPERMENSMAXSMART offers a new proposal that generates twists in the internal resin, with an adjustable tightening feature. Enjoy 6 levels of tightening from super soft Lv.1 to extremely narrow Lv.6. The internal structure is a mixed type of folds and rings. The vertically elongated folds transform into spiral folds when twisted, providing strong stimulation. The valve installed in the middle enhances vacuum effect to adhere and not let go.