Soft, pneumatic actuators might not be a phrase that comes up in daily conversations, but more likely than not you might have benefited from their utility. The devices use compressed air to power motion, and with sensing capabilities, they've proven to be a critical backbone in a variety of applications such as assistive wearables, robotics, and rehabilitative technologies.
source https://www.lifetechnology.com/blogs/life-technology-technology-news/soft-assistive-robotic-wearables-get-a-boost-from-rapid-design-tool