He is now chipping at stone in a chain-gang -- or, more likely, relaxing in a luxurious prison sauna.
Always store the glasses hanging upside down to keep them from chipping.
The stone circles are then made into shape by chipping out the middle, or you can just steal them from the neighboring tribes !
You will have to contend with minor damage in the form of dents and chipping of the toys when you buy an antique.
Engraving one of these picks is a delicate process since even creating a stone pick without chipping it can be a challenge.