Sewing the Hair. 1  1. Thread your needle. Cut a piece of extension thread about 48 inches (121.9 cm) long and thread one end through the eye of a curved needle. 2  2. Secure the weft together. A single hair extension is also known as a weft. 3  3. Make the first stitch.
Climate & Weather Averages in Belfast, Northern Ireland, United Kingdom.
Guide to Dublin weather in May The average maximum daytime temperature in Dublin in May is a comfortable 15Â°C (59Â°F). The average night-time temperature is usually a cold 7Â°C (45Â°F).