Sex cushions refers to a range of cushions or pillows that are designed to enhance sexual play or provide a more comfortable and supportive environment for BDSM activities. These cushions may be made from a variety of materials, such as foam, microbeads, or memory foam, and may come in a variety of shapes and sizes to suit different needs and preferences. Some examples of erotic cushions that might be found in this category include:

1. Wedge cushions - These cushions are designed to provide a supportive and comfortable surface for a wide range of sexual positions, with angled shapes that can be used to elevate or support different parts of the body.
2. Body pillows - These long, narrow cushions are designed to provide support and comfort during sexual play, with special shapes or contours that can be used to enhance different sexual positions.
3. Bondage cushions - These cushions may feature built-in restraints or attachment points, making them ideal for submissive partners or those who enjoy bondage play.
4. Sensory cushions - These cushions may feature special textures or materials that enhance the sensory experience of the person sitting or lying on them, providing a more intense and pleasurable experience.
5. Travel cushions - These small, portable cushions are designed to be easily carried with you on the go, and can be used to enhance sexual play or provide comfort and support during BDSM activities.

Overall, the goal of erotic cushions is to provide a comfortable and supportive environment for sexual exploration and play, and to enhance the intensity and pleasure of sexual activities. As with any BDSM or erotic product, it is important to use these cushions safely and responsibly, and to ensure that all parties involved have given their full and informed consent.