hair curler for women hair curlers tong and hair curler machine roller (RED). Roll the curl as far as you wish, avoid touching the scalp with the hot barrel, as this can cause burning. 5. Hold curl in place for approximately 20 seconds for light curls or just waves. 6. To release curl wind about half a turn, push down on clamp, release lever. Gently withdraw barrel from the of the curl. 7. When all curls have completely cooled your hair is now ready to be styled.