Many extreme-jewellery shops now cater to people wanting large hooks or spikes set into their pores and skin. Most typically, these hooks are used in conjunction with pulleys to hoist the recipient into the air. This apply is claimed to provide an erotic feeling to the person and some couples have even carried out their marriage ceremony while being suspended by hooks. Opals had already been mined in Europe and South America for many years prior, however within the late nineteenth century, the Australian opal market turned predominant. Australian opals are only mined in a few choose locations around the …