Knots? Normally not something you want in your hair, but knotting wisely will definitely let you look top-notch!
section a triangle at the back of the neck and clip it up
tie the hair in a ponytail – loosen separated strand of hair again
knot strand loosely at the side, leaving a remaining length of 5-10 cm
loop strand around the ponytail
secure strand with the invisi-spread