WHY TICK KEY? Don't Squeeze, Crush or Squash A Tick.This can force spirochete and other infective body fluids through the mouth parts of the tick into the host. Don't Apply Substances To A Tick. Applying any substances, such as petroleum jelly, fingernail polish remover, repellents, or a lighted match that upset or harm the tick almost always cause the tick to vomit the contents of its stomach back into the host. No matter how badly a tick may want to remove itself, it is not capable of doing so quickly.Ticks can live without air for long periods; attempts to smother it can allow disease transmission for hours. TickKey Is The Easiest-To-Use Tick Remover On Earth! Place the key over the tick in the slot. Pull key away from tick sliding along the skin. The Tick is removed easily, head and all! This patent pending design has been perfected and tested for over five years and is responsible for the removal of thousands of ticks of all sizes including deer ticks and dog ticks. TickKey is fabricated from high-strength anodized aluminum...this is not a weak piece of plastic. TickKey is currently available in 7 bright metallic colors; Green, Blue, Orange, Purple, Red, Pewter & Black.TickKey is flat and is easily stored in a wallet, pocket, on a key chain, collar, saddle, or leash.