Place the mouthpiece inside your mouth (the YMD109 has a small internal bit to bite down on, usually covered in a silicone tube). Align the outer cage over your nose and lips.
Because it is 3D-printed resin, it has microscopic layer lines. Wash it with warm soapy water and a soft brush. Do not use alcohol wipes repeatedly, as some resins can become brittle with strong solvents. yapoo ymd109
| Feature | YAPOO YMD109 | Restrictive Mask (Steel) | Latex Gas Mask (Rubber) | | :--- | :--- | :--- | :--- | | | 3D Resin (Hard) | Stainless Steel | Latex/Rubber | | Weight | Very Light | Heavy | Medium | | Breathability | 10/10 | 4/10 (small holes) | 2/10 (Filters) | | Muffling | None | Moderate | Severe | | Cost | $$ | $$$$ | $$ | | Aesthetic | Cyberpunk | Medieval/Gothic | Military | Place the mouthpiece inside your mouth (the YMD109
Disclaimer: This article is for informational purposes only. Always practice safe BDSM protocols, including safe words and emergency release tools, when using any restraint device. Wash it with warm soapy water and a soft brush