That can be frustrating.

I have pulled out a few rows of the edge glass strands, so that the piece I was working had a sort of "fringe" on the edge. Do this of course with dry glass, over a trash can. Else you'll have little fuzzy fiberglass tumbleweeds around the shop!

This also makes feathering an edge in much easier.

I also found that if I cut patches of cloth on the bias, it has much less tendency to pull out during wet out.

: Is there any secret to prevent fraying of glass?

: trying to lay second layer always has fibres pulling out of glass making mess
: of llong strands and bunches of fibre when wetting down. going to have to
: let set and sand down before finishing...

: TIA, Scott