Avoid thin fabrics such as silk and georgette. / Be sure to use the same thread for the top and the bobbin. The difference between the elasticities results in different thread tensions, and produces an unsatisfactory finish. / Avoid clothes that directly touch your skin.Use and keep out of reach of infants.Do not use or store in a place subject to direct sunlight, high temperature or high humidity.Keep away from fire and other sources of heat.Do not use this product for purposes other than its intended purposes.