They take their name from the Australian slang for amyl nitrite, also known as poppers. Butyl nitrite is used recreationally as poppers. Substances such as cocaine (nicknamed "blow"), amyl nitrite ("poppers"), and Quaaludes. Isopropyl nitrite has largely replaced isobutyl nitrite in poppers. Moreover, certain locations may offer curly fries, jalapeno poppers and onion rings. Since 2007, reformulated poppers containing isopropyl nitrite are sold in Europe; isobutyl nitrite is prohibited. However, small novelties such as party poppers and sparklers are legal in all states. The sale of alkyl nitrite-based poppers was banned in Canada in 2013. Poppers contain a class of chemicals called alkyl nitrites. However, when referred to as "poppers", alkyl nitrites represent recreational drugs. Silver Fulminate is used to make noise-makers, small contact poppers, and several other novelty fireworks. Other surface flies include poppers and hair bugs that might resemble mice, frogs, etc. To the extent that poppers products contain alkyl nitrites, the following applies. It is one of the chemicals used recreationally as poppers. There are surface swimmers, subsurface swimmers, needlefish, poppers, pencil poppers, and darters.