The boreal embraces the highest mountain altitudes; the transition belts it on both sides of the continental divide; the upper Sonoran takes in about the eastern half of the plains region east of the mountains, and is represented further by two small valley penetrations from Utah.

Coin Penetrations Use it with your M5 and some shim material for an instant vanish.

A bar holds the tattoo needle that delivers the ink into the skin with a series of small pokes or penetrations.