This boolean ConVar enables/disables the collision of ragdoll models with each other. The default value is 0. This ConVar is not set to archive its data, so if you want the game to retain a value other than the default value, you will need to create a userconfig.cfg file. When set to a non-zero expression, ragdoll collision will be enabled with a performance hit. This prevents ragdoll models from clipping through each other and therefore increases visual quality. A penetration error can easily occur when a player is killed inside another ragdoll.