(Please click image for larger picture) Photos and comments courtesy of a US Police Officer. Our thanks to him for his service and for carrying an Extrema Ratio MF0. "The 0 [MF0] is holding up well considering its pretty much my EDC. Let me know if ER decides to stop their 0 production. I do like it that much I'd get a backup." On the job MF0 On Patrol It is the responsibility of the buyer, not Xtreme Knives, to determine and follow all local, state, federal and international laws and ordinances regarding the purchase, possession, and use of any item purchased from us. Copyright 1999 - 2019 Xtreme Knives (tm). All rights reserved worldwide.