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.
The seasons: spring and summer. In spring (February to April), the average highest temperatures range from 46 to 54Â°F, with April considered particularly pleasant. In summer (May to July), the averages for highest temperatures are between 64 and 68Â°F. The warmest months, July and August, get about 18 hours of daylight and it gets dark only after 11pm. Hence the well-worn phrase in Ireland; sure there's a grand stretch in the evenings.