Heavy Bags are used in all marital arts like boxing, kick boxing, karate, savate boxing, kung fu, taekwondo, kyoko shin kai, russian system, krava maga, etc.
Heavy bags are used to perfect kicks and punches without having to harm someone or use any protective gear. Depending on the height they are used in various ways and for different martial arts.
Heavy bags that are up to a 110 cm in height are usual for boxing and punching martial arts due to its lack of length to hit with the legs.
Heavy bags that are between 110 cm and 130 cm in height are used in karate.
Heavy bags that are higher than 130 cm are used in kicking martial arts.
Any height can be used in marital arts due to its cylindrical design but different ones tent to different heights for their comfort.
Heavy bag hanging on 4 points by a pair of chains to to its quality in length.