About

Thing
Whistling without the use of an artificial whistle is achieved by creating a small opening with one's lips, usually after applying moisture and then blowing or sucking air through the space.
Whistling
Definition
Whistling without the use of an artificial whistle is achieved by creating a small opening with one's lips, usually after applying moisture and then blowing or sucking air through the space.
Whistling
Whistling
Whistling without the use of an artificial whistle is achieved by creating a small opening with one's lips, usually after applying moisture and then blowing or sucking air through the space.

See also

See also: