| 摘要 |
A cylinder and piston device provides a sheath for securing a penis into one end of the cylinder. The piston then acts to draw a vacuum for holding the cylinder and the penis together as a unit. Once a vacuum is drawn, a means for holding the piston at a preferred position is engaged. Significant weight may be applied to the device, or the device itself may contain significant mass so as to apply a stretching force onto the penis. The device provides a means for stretching a human penis and is quickly and easily applied to the penis and removed therefrom. The device enables further weight mass to be applied to enabling a program for stretch training of the penis through the application of incremental weight additions. The device prevents lateral swelling of the penis and provides a means for locking a level of vacuum that is appropriate for holding the weight involved in the procedure and that is also comfortable to the person undergoing the weight training.
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