Function: 1 Overall Structure: Module is divided into skin layer, muscle layer, and outer frame structure to meet your needs 2. Wearable: Wearable design enhances the realism of operation. Easier to operate than practicing injection with fruit or pig feet 3. Main Purpose: Can be used to practice injected muscles. Made of plastic, sponge, elastic rope, safe and practical and reusable 4. Application Scope: Convenient simulator for training can be used for training demonstration, educational purposes, and injection training 5. Note: When you practice the injection, the liquid will come out from the bottom, so before you practice the injection, please place it on an object that can hold the liquid