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What is the principle of making sand hammer out of beverage bottles?

The maracas is a body-swinging instrument, also known as the maracas. Rhythmic percussion instrument originating from South American Indians. The sand hammer is made of a dry gourd filled with hard seeds or gravel. The original slender neck of the gourd is used as the handle. When shaking, holding one in each hand, the hard particles hit and rub inside the gourd, making a rustling sound. Voice.

Preparation method:

1. Drain the empty mineral water bottles, or use empty cans.

2. Fill a mineral water bottle (or can) with one-third or one-half of the rice (or millet, red beans, mung beans and other grains). Remember not to fill the bottle with grains , otherwise you won’t be able to make a crisp sound.

3. Put the cap on the bottle. If it is a can, seal the mouth of the can with tape.

4. If you use cardboard and ribbons to decorate the bottle, it will be more beautiful.

How to use the sand hammer:

The sand hammer is both a musical instrument and a children's toy. Generally, the traditional sand hammer is used as a musical instrument to assist in playing. Specifically The method of use is: when used as a musical instrument, two maracas are usually used together, one in each hand, and they are swung up and down following the beat of the music to make a pleasant rustling sound, which can be used to play dance music with a special style.

When using it, you can hit it according to the strength rules of different beats. You can hit it on the strong beat or the weak beat. However, the sand hammer itself can produce very few sounds, so its rhythm changes. There are few, so it is mainly used as an auxiliary instrument.