. First, knock on the balloon and pull out its head. Then clamp the balloon head with three fingers of the right hand to prevent air leakage. The third step is to wrap the balloon's head around your fingers, hold the balloon's head with your thumb and forefinger, and you can easily knot it once a second, which is convenient and practical.

. Prepare a hanger first. Then blow up the balloon and pull its head away. Step 3, wrap the balloon's head around the hanger, take the balloon's head out of the wrapped balloon ring and tie it easily. Learn this trick, the balloon knots in one second and can't reach the fingers.

A balloon is a sealed bag filled with air or other gases. Balloons can be used not only as toys, but also as vehicles. There are many kinds of balloons. At present, balloons made of natural latex are mainly introduced, which can be used as decorations, arches for the opening ceremony, printed with their own advertising patterns as publicity, printed with photos of married couples as congratulations, decorated balls, bride floats and so on. Most balloons are made of natural latex, and then pigments are mixed into latex to wrap them, so that balloons of different colors can be made. Balloon manufacturing needs some balloon molds, and their posture is completely similar to that of balloons. Professionals call them balloons, and balloons are made according to the shapes of these balloons.