I've used Tiger Hair before, chopped strands or pieces (2 types I believe) for minor small holes. I use the small piece variety and apply it with a plastic putty knife. With a wet glob (meaning ample liquid resin) first smear it over the area to fill with the putty knife using -no more than you need.- Now use the clean putty knife to press (HARD) on the smear and press don the center and edges all around the patch. With enough resin in the mix (and not too much hardener as it will harden too fast), you should be able to squeeze up some resin and allow the putty knife to release more cleanly. Keep the putty knife clean or use two, wipe with lacquer thinner to prevent sticking as you go. Get it good, wait a couple of minutes to press down again before it hardens especially the edges. Wax paper?