DIY Russian method woodworking how make easy chamfer ( #countersunk ) by twist drill.

to make a chamfer in wood a 
special tool is usually used   but if you take a twist 
drill of a suitable diameter but if you take a twist 
drill of a suitable diameter  clamp the twist drill in the screwdriver wow dangerously fatal almost to the fingers   switch the screwdriver against the rotation of 
the drill turn on and press while the smoke went it is so easy to make a beautiful chamfer without damaging the material and fingers and tools   without special clamping device so this is.

As found on YouTube

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