YouCups Breakthrough series is the breakthrough weelaborate design; now the market is only one can be opened for cleaning and free replacement male consoling device rubber strip， fully reflect the health， multiple choice， multiple function concept.

"The key functional design of INVASION intrusion" is the urgency for massage， but also the most traditional penisdesensitization， reduce the sensitivity of penis.

Many boys like the pursuit of a sense of urgency，psychological "urgent" is synonymous with. Thatrepresents love， trust， on behalf of. When adult like boysand pursuit of anal sex， also hope to get the "urgent"pleasure， the indescribable feeling warm， cheerful andfull， some approximate enlighten us， people want morethan anything.

"INVASION invasion" lines from the entrance to theterminal is divided into four parts， such as the four group of pistons， each having different lines， big friction headmovement， strong contrast.

Method of use:

First， open the lid， smoking in rubber tube locking lever"side"， and then opened a massage roller， for pipe coated with enough water soluble lubricant， (if the weather is cold; can remove rubber strip， with warm water soak for about 40 to 50 degrees for about 15 minutes， can be used to feel as real person body temperature. ) and thenfasten "lock bar"， began to use.

At the beginning， the movement speed is not too fast，hands on both sides of the control plate， in the comfort of their own sense of oppression， the action in a deep and one shallow， two fast and slow is the best， the action of corona of glans penis must hit the deepest depth， whenejaculation urgent feeling， be too force plate firmly on both sides， this can help the urgent feeling disappeared，after ejaculation feeling disappeared， re start massage.Reminder: please apply enough oil before use， please follow the instructions， using special lubricating oil，lubricating the vagina more excitement， more.