How to do file work on a knife in 20 minutes

This is how I do file work on the spine of my knives, in real timetools you will need are as follows triangle needle file , half round needle file and a round/chain saw file #bob #ross #style #filework #knife #knifespine #handmade #handmadeknives #bobross #thejoyofpainting #thejoyofknifemaking #spinework #realtime