It's exciting when babies first begin to grab and grasp (decidedly less so when it's your hair or earrings). These simple, wood rattles are as good for holding and shaking as they are for gnawing when teething is at its worst.
They're also inexpensive (about $12) and would look nice propped up on a shelf or as part of a vignette in your child's room once they're past the rattling and teething age.
The wood is beechwood from a managed forest and the rattles are sanded smooth before being finished with beeswax. Made by Imagiplay, they're widely available online if you can't find them locally.