The itemCombo.txt has been modified, but I don't have an old version to compare it with. If bones work with the mortar, skulls should as well. Here is the part about those 2 items: use object LOOT_Bone_A on object LAB_MortarPestle_A with transform code Transform1 parameters TOOL_Pouch_Dust_Bone_A,0,0,0,0,0,1,1 autolevel 0 use category Skull on object LAB_MortarPestle_A with transform code Transform1 parameters TOOL_Pouch_Dust_Bone_A,0,0,0,0,0,1,1 autolevel 0