Jiu Jitsu training often entails real-time sparring, called rolling

https://takedowngrappler416.inkharbory.com/posts/unloading-the-myths-surrounding-gracie-barra-brazilian-jiu-jitsu-training

Jiu Jitsu training often includes real-time sparring, called rolling, where students use strategies in real-time against resistant partners. This technique helps boost timing, reflexes, and analytic skills, vital for efficient self-defense and competition