An important part of yoga is that the clothes you wear should be comfortable in every aspect. Clothing worn during yoga should be functional and should not create any discomfort to the person who practices the art of yoga.
To master the technique of yoga is an art and the teacher of yoga has to be the master of the trade. In ancient India, many masters were well versed in the techniques of yoga and they taught these techniques to their disciples in secrecy.
There is a close connection amongst yoga, meditation and self hypnosis. These arts are almost 5000 years old and have their origin in the regions of the Indian and Chinese subcontinents.