If you were bitten by a snake and cannot go to the hospital immediately, this gadget can save your life. It’s also useful after a bee, wasp, mosquito, or spider bite. The pump will remove at least a part of a poison and will decrease the possibility of serious poisoning.
You can find it on Amazon.com! Look in the "Sports & Outdoors" tab for "Sawyer Products B4 Extractor Pump Kit". The price right now is $16.99.