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Air rings
Learn how to start up such rings too real. Gaining air dive. The first - the tip of the tongue to stick and hold his lips. Second - make a strongly plevatelnoe movement with overlapping tongue larynx in order to release a small portion of the air. At the same time his lips are closed, but not dramatically!
Source: mirfactov.com/
Wedding rings
What's the difference who is stronger, who is smarter, who is more beautiful, who is richer?