Bench jewelers hate to throw out used tools. By training and by nature we try to conserve the materials we use. An unfortunate side effect is that old burs and dull files tend to collect on our benches.
Luis Moreno shows a finished coil ring with Stones...,http://www.google.com/profiles/Luis.F.Moreno.Silversmith
Luis Moreno demonstrates how to fabricate a key ring...,http://www.google.com/profiles/Luis.F.Moreno.Silversmith
A tip I figured out to help me save more of my fines, quicken my end of day cleanup and keep myself cleaner.