Roshi Product Knowledge
Product Knowledge Index
Quick answer
This index is the best starting point when you need to understand love doll terms before comparing products. Use it to learn what each feature means, then move into buying guides when you are ready to choose between options.
FAQ
What is Product Knowledge for?
Product Knowledge explains features and terminology so buyers understand what options actually mean before they compare models or prices.
When should I use Buying Guides instead?
Use Buying Guides when you already understand the feature and need help deciding whether it fits your budget, space, care routine, and priorities.
Should first-time buyers start here?
Yes. A first-time buyer should usually start with definitions and care tradeoffs before moving into a purchase comparison.
Use this page as the table of contents for Roshi Product Knowledge. It is not meant to be another opinion article. It is here to help you find the right explanation fast, based on the kind of question you are trying to answer.
How to use this index
- Start with the topic family that matches your question.
- Open the explainer that answers the concept first, not just the newest live article.
- Move to Buying Guides only after the term or feature itself feels clear enough to compare.
Head Types
For labels and mouth-system questions
- What Is a ROS Head? — explains what ROS usually means, where the label gets confusing, and what to verify on a listing.
- Love Doll Mouth Types and Head Function Systems Explained — separates visual mouth labels, head classes, ROS tiers, and robot function claims.
- Love Doll Interactive Oral Systems Explained — separates manual oral capability, ROS/ROS MAX, powered oral modules, and robot-style integrated systems.
- What Makes a Love Doll Head Compatible? — explains the difference between mechanical fit, visual fit, and function fit when choosing an extra or replacement head.
Skeleton & Structure
For movement, internal frame, and hand-system questions
- What Is a Love Doll Skeleton? — explains what skeleton labels change in movement, handling, and long-term ownership.
- Love Doll Hand Bones and Finger Skeleton Systems Explained — separates finger articulation, hard hands, wrist behavior, and puncture protection.
- What Do Standing Feet Mean in a Love Doll? — explains what sellers usually mean by standing feet, how bolt and bolt-free options differ, and what really changes in ownership.
Materials
For TPE, STPE, silicone, and ownership questions
- TPE vs STPE vs Silicone: What Love Doll Materials Really Mean — explains the real material map, what changes in ownership, and where labels overpromise.
Heating & Systems
For heating paths, warm-up behavior, and electronics-related ownership questions
- What Does the Heating Function Mean in a Love Doll? — explains full-body heating, oral heating, heating rods, and what those paths change in ownership.
Ownership & Weight
For day-to-day handling and body-weight tradeoffs
- What Does Weight Reduction Mean in a Love Doll? — explains what weight reduction usually changes and what it does not.
Need the decision side?
Once the basics are clear, switch to Buying Guides for tradeoffs, buyer fit, and compare-and-choose decisions.