[Mangos] Adding Missing Items?

Some of the NPC's in the mangos 2.1.1 have some missing items. Now these items I'm talking about are for the Quests. How do you find the missing item then put the missing item in the item invetory of the npc?

Thanks

Quake

How do I add the missing .

Red Burlap Bandanas to Diafus Thug
Tough Wolf Meat to Young Wolfs / Timber wolfs