when you die using the Dead_Ringer and you have enable the Grave in OpenBlocks config, you generate a grave with all your items but you still have all of them in your inventory
thinking on that same way, we can assume that all the mods that also generates a container with all players items, example: one of those player dead body mods, they might as well do this
when you die using the Dead_Ringer and you have enable the Grave in OpenBlocks config, you generate a grave with all your items but you still have all of them in your inventory