Upright Hammer Surfacing Block

[David Nereson]

Joseph Garrett wrote:

> This is made from pinblock scraps, but can be any material. size is:  
> 1.25" x 3.0"x.375". To make 2, start with .750" thick stock. Drill a 
> 7/32" hole @ 1/3 of the length, on center. Slice apart with bandsaw. 
> Shape bottom with an 8degree, on center, bevel. Soften all of the 
> edges. Sand to 600grit smoothness.
>
> Have fun.<G> Enjoy.
>
> Regards,
>
>  
> Joe Garrett, R.P.T. (Oregon)
> Captain, Tool Police
> Squares R I
>  
>  
>
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>  
>
I don't get it.  How does this enable easier filing of the underside of 
hammers on a vertical action?
    --David Nereson, RPT