The next 2 boxes uses the round peg to lever the handle of the knife out of the box so it can be grasped. Push down on the peg and the handle rises from its home. These boxes have sliding dovetail hinges set into the end of the box.
They are ash with a hand planed finish, and all edges knife worked. No treatment has been used, the wood is bare. You can oil, paint, or chip carve. Personalise them how you want. I often just leave them bare and over the years a beautiful patina will develop.