26 Days of BDSM: The One-Day-at-a-Time A-to-Z Guide to Common Fetishes and Kinks — Knife play is a kink play that uses knives, blades, and sharp objects to create various sensations, induce fear, and sometimes cause pain when desired. Any play involving knives, even those with dull blades, should be considered edge play, or higher-risk play, because of the increased chance of potential injury…