The Shofar, a well known symbol of Rosh Hashanah, is usually made from a rams horn. The shofar was blown to announce an important event, such as the alarm of war or the coming of peace. And during the High Holy Days the shofar is blown to announce the beginning of the Rosh Hashanah holiday.
Here are some videos that show how to blow the different types of Shofars, as well as the meaning of the different blasts that are sounded for the holiday.
Video: The Four Traditional Shofar Blasts
Video: Sound The Shofar – Longer examples of the different Shofar blasts
Video: Rams Horn: How to sound the small shofar
More High Holy Day Videos