You can put a penis ring on at the base of the penis and then the shaft, preventing you from penetrating using the entire length of your penis.
The ComeClose pleasure ring prevents painful sex (dyspareunia). A unique pleasure ring, worn at the base of the penis to prevent deep penetration pain. reason is when the penis hits the cervix, or surrounding tissue, at full thrust. Ow ow.
The Ohnut is a stack of silicone rings that acts as a bumper during penetrative sex to This Device Prevents a Penis From Going Too Deep in Your allow pain-free intercourse when that goal can be fully reached,” she says.