www.sog-knives.net Pop! That’s the sound the SOG Twitch I knife makes when you push the kick on the back of the spine to open the blade. This model TWI-7 uses the SOG Assisted Technology to open the two inch blade in a hurry from its resting place in the hard anodized handle. Once you hold the SOG Twitch I in your hand you’ll have a friend for life. There’s just something about this little knife that makes one not want to put it down….