the curve in Japanese called "Rei" or "Ojigi "Japanese popular Thai wai-man shook hands or a Christian, but is popular curve instead of tradition, or found in the time curve of the Japanese people as decent complexity such as the bend should be low and curved how long or how many times, and a curved bend in what opportunities such as senior deep down, but if equal curve curve as soon as beauty but found time to say goodbye, or from each other, and then when you want to thank you for your ability to bend