Force open and control his cum hole!
This leather head harness forces a one inch leather wrapped tube into his mouth. When securely tightened you can shove anything you want through that tube and down his throat. You can fill him up until he can't take anymore and then plug him up so he can't let it out.
Plug It Up Leather Head Harness with Mouth Gag Specs and Benefits:
Measurements: One size fits all
Material: Leather, plastic, metal
Enjoy having open access to your partner's mouth or keep it plugged up
With the mouth open you can fill it however you wish
With the mouth close you can restrict speed and keep the jaws apart