Gargolock on CDO had these ideas to share:

Quote Originally Posted by Gargolock
As for the cave dwarves they could have a lot of javelin type weaponry. Maybe a very crude javelin thrower just using the elasticity of animal hide to inaccurately launch a sharp stick with an obsidian shard on the end. They could also have a tribal, violent system of leadership. Where the strongest one semi leads them and if a stronger one challenges him they can take leadership. There is a lot that can be done with cavemen and I think they are a good idea for dwarves. They could also chuck flint shards through the air to try to kill their enemies.