If you aren't interested in investing a lot in your finishing tools but want something better than what you can accomplish by hand, I recommend a tumbler.
Blog Archives - Nicole Hanna Jewelry
Manufacturer KD-6808 Jewelry Tools Rotary Tumbler Machine 3kg Mini
Shrink Plastic Art Projects and Tutorials
Peggy Li Creations Jewelry Blog: FAQ: How Do I Make a Homemade
Jewelry Tumbling and Sorting Tip
Polishing Jewelry Using A Tumbler
DIY Handheld Jewelry Tumbler Polisher
Handmade Jewelry Made Easy! Create Wire Wrapped DIY Earrings! Tips
Tablejewelry Elaine Venditti (@tablejewelry) • Instagram photos
How to clean Silver Jewelry, My Professional Tumbler Polisher
Painting with Glass and Wire – Jewelry Making Journal