: I usually hold the floppy side of the fabric in one hand and run a razor
: blade along the edge with the other hand. It is sometimes hard to cut
: through the bead of epoxy that tends to form at the edge. A round sole
: spokeshave will zip off the excess lumps with little effort.

: www.ChipSandresky.com

Now I know why so many people build several boats: they are justifying the cost and time spent buying/making special tools!

Seriously, your stated technique is exactly the kind of answer I was looking for.