The BladeForums.com 2024 Traditional Knife is available! Price is $250 ea (shipped within CONUS).
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What's going on with the little cut-out scoops on the outside of the lockbars on two of your Sebenzas? I've never seen that before.
On a regular Sebenza model, part of the installation of a double thumbstud is to provide that additional scallop to enable improved access to the thumbstud.