1. Make sure the work area is clean and tidy, and prepare the necessary tools such as glue.
2. Pour the glue into the annular cup and adjust the amount of glue as needed. Take the glue out of the ring cup with your fingertips or special tools and apply it to the required position. According to the requirements of specific operation, the ring cup can be used to control the speed and accuracy of glue dripping.
3. Put the rubber pad in the position where it needs to be fixed or protected. Ensure that the gasket is closely attached to jewelry or other items to increase the fixing strength and protection effect.