>
> You can freshen up scissors quickly with a burnisher (one of ours, of
> course). Not for edges that have been seriously trashed (fiberglass?!?)
>
having spent several years laying up f*b*rgl*ss boats in the late 70's, 
I am familiar with scissors for this endeavor.  You can by "knife-edge" 
scissors that work very well for this job and are very easy to 
re-sharpen.  They have one blade that has the normal be(v)(z)el angle 
that looks like 75-80 degrees, and one blade that has a "knife edge" of 
about 25 degrees on it.  My place used Wiss, good big professional 
ones, and they were very satisfying to use on that 24 oz roving that 
looks life burlap made out of glass.

On regular scissors, I just open them up wide and step through SS to 
about 400-600, attacking only the be(v)(z)el and not the back.

Ed Minch