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A inflatable cock ring that would allow you to knot with a k9 bitch?

Not sure if I understand it right.

Do you mean like a ring around the base of the penis that can inflate? You know like a cockring that you can buy at every sex store.

Or do you mean like a cock sleeve, like from Bad Dragon, that has an inflateable knot? Like a mix of a cock sleeve and the canine dildo that has the inflateable knot
 
So the bad dragon wearable cock sleeves attach by a tight ring around your balls, singular to that of a cock cage. Any cock sleeve that stays put will attach this way. Then whatever material used comes up and wraps around the penis for whatever shape you’re wanting but it isn’t putting unnecessary/constricting pressures on the actual penis as it’s attached elsewhere. This in return would allow you to have an expanding knot that doesn’t have to constrict the penis to stay on.

below is a bad dragon sleeve. Note how it attaches to his balls.
This is fine but would be nice to expose the cock after the knot for full contact with the pussy
 
Okay, now I see it. The balls ring is what holds it in place, but the inflatable bit is still around your penis - but it's over a hard short sheath so as not to constrict the penis.

Yeah I think that's the safest way to make it work. I wouldn't want to make the penis ring/sheath/covering too hard, part of the appeal of a knot I imagine is feeling a little bit of a squeeze down there, you just don't want it to be enough to cut the blood flow at all.

I think someone could easily market two versions of this. One that just has the necessities for the knot and leaves much of your cock bare, and one full penis sheath like the one in your picture so you have what looks like a dog cock plus it has an inflatable knot.

Still have to devise where the pump and cord go to not get in the way of sex. An electronic pump housed inside the toy would be nice but probably too complicated. Certainly for the first model a manual pump would be best.
"leaves much of your cock bare"
Yes, need skin contact with vagina wall to get full experience :)
 
i have a prototype of this. I make dildos and fleshlights in my free time. using an inflatable silicone ring ,or an inflatable tourniquet has been somewhat successful, using a harder silicone around the shaft base and allowing it to expand around the core. Will post prototype pictures soon.

What happened with the prototype?
 
Have you ever thought about getting knot implants, there's been advancements in silicone implants on the genitals.
 
I thought I saw surgery mentioned.
I'm openminded after thinking about it. I think it's definitely possible to shave the cock to the shape of a dog cock and add two inflatable glands for the knot.
It's just a muscular cavity filled with blood when aroused.

Wow, that'd be so cool.
 
I was just thinking like a 3d print penuma sleeve.
Or something by Steve Haworth
 

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I was just thinking like a 3d print penuma sleeve.
Or something by Steve Haworth

Just don't stick random plastics like that into any opening of any body, nonhuman or human, since many plastic compounds leech chemicals that are toxic. Medical grade silicone is safest from what I've read.
 
Just don't stick random plastics like that into any opening of any body, nonhuman or human, since many plastic compounds leech chemicals that are toxic. Medical grade silicone is safest from what I've r
The picture is of a medical safe silicone the practice is called pearling, or genital beading. The idea came from the Yakuza who would put a metal bead under the skin of there penis for every year that they were in prison.
 
wow i think i have read it all ! Necessity is the mother of enginuity! Im going to have to look for a VR Zoo thread now lol
 
So the bad dragon wearable cock sleeves attach by a tight ring around your balls, singular to that of a cock cage. Any cock sleeve that stays put will attach this way. Then whatever material used comes up and wraps around the penis for whatever shape you’re wanting but it isn’t putting unnecessary/constricting pressures on the actual penis as it’s attached elsewhere. This in return would allow you to have an expanding knot that doesn’t have to constrict the penis to stay on.

below is a bad dragon sleeve. Note how it attaches to his balls.
Looks kinda hot NGL
 
i have a prototype of this. I make dildos and fleshlights in my free time. using an inflatable silicone ring ,or an inflatable tourniquet has been somewhat successful, using a harder silicone around the shaft base and allowing it to expand around the core. Will post prototype pictures soon.
What about a U-shaped inflatable piece that's integrated into the fully circular body of a silicone cock ring or sleeve?
 
I've seen some instances of men tying with bitches. I know female dogs use their vaginal muscles to tighten during coitus, but I have no idea how people manage to get them to do that (and if it's even safe for the dog).
 
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