What taboos prevent the use of perfumes?

By looking at the enormous supply of dildos, butt-plugs, nipple-clamps, vibrators, handcuffs, et cetera, it becomes clear that children are not the only ones that play with toys, adults do too. Jonathan Kok Wai Ho is a visual artist and designer of fetish toys. He designed a number of toys for sexual play and also designed the interiors of the darkrooms in Club Church, Amsterdam. He talks about the importance of smell when designing equipment for sexual fantasies. What scents do you use in the darkroom and what not? And which role do poppers, sweat, and other smells play in a fetish game or a visit to the darkroom?