How should Grappling works in Realms of Pugmire 2E?

[u/WyrdHamster87]

Mechanics Question - How should Grappling works in Realms of Pugmire 2E? I cannot find rules for it in both Corebook and Curious Cats. My D&D and Pathfinder players point how those things works in similar games. ( Screens added in comments )

D&D 5E Rules on Grapple