Usage:1: Polish the degummed part of shoes. The treatment of the adhesive surface is rough2: Apply the glue evenly on both sides of the crack. Do not use too much glue evenly, otherwise the bonding effect will be affected3: Use the hot air of the blower to heat the glue dried at the opening for 15-20 seconds until the glue on both sides is completely dry.4: Then glue and press for more than 20 seconds. The greater the pressure, the better the bonding effect.5: Clamp and fix the pressed crack, bind and fix it with leather band for more than 24 hours. Caution: please use it in a well ventilated environment. If you need to contact your eyes accidentally, please wash them with plenty of water or consult a doctor. Tighten the cover and seal it after use and store it in a cool and dry place hard for children to touch. The product is inflammable. Keep away from the fire source. Do not use open fire such as lighter