rope_anchor

This entity is not in the stock FGD files by default. It should not be placed (in Hammer) because it's not useful.

Code classes:

• CRopeAnchor
• CPointEntity
• CBaseEntity (all ents)

rope_anchor is a point entity present in all games except the Left 4 Dead games. It's a dangling rope that disappears after a few seconds. Used by NPCs in Half-Life 2 that are capable of rappelling off walls.