A crushing fetish refers to being sexually aroused when seeing, experiencing, or performing the act of crushing. Generally, this is done involving bugs, invertebrates, inanimate objects, cigarettes, and the like. Someone with this fetish may also get excited when being crushed by someone else. They may also want to perform the crushing, usually while barefoot or wearing high-heeled shoes. Crush films provide a visual alternative. However, the production and trade of crush films are illegal in several countries when it involves injuring animals.