Filing often keeps peskylittle tears at bay and also keeps all your nails at the samelength. (Beautyheaven's product pick: Ms Manicure Quick Fix Kit, $1.95- cute matchbook of 12 colourful emery boards to keep in yourpurse.)*When filing, shape your nails in one direction only, parallel to thenail bed, and dont curve into the corner of the nail.* Short, squared-off nails are the most durable and al