Female stretching the pisshole with 3 large brushes handles conical penetrating it very deep until bladder while her cunt is open wide with a speculum for more easy insertion.

It can be a good idea to train the urethra stretching it for more huge objects but the most important and necessary is to have a lot of care with the cleanliness of the objects you want to insert and use a good lubricating gel based on water.

She keeps her pussy open with a speculum to have better access to the hole of the urethra and be able to stretch the pisshole more easily dilating slowly while maintaining a vibrator on the clitoris that provides a greater pleasure and multiple orgasms.

Using brushes to stretch the female urethra can be good ida and is a method that is often seen in extreme videos of women masturbating the peehole to achieve pleasure and new methods to get orgasms and different sensations.