Today I figured I’d finally tackle the dang factory sheath that came with my Fallkniven F1. Thing’s stiff as a board, you know? Feels like carrying a brick. Wanted something smoother, something molded just right. Leather’s the way to go.
Gathering My Mess
Dug through my toolbox first. Found a chunk of veg-tanned leather, thick stuff. Good. Grabbed my utility knife, a metal ruler, a scratch awl, some heavy-duty needles, and a spool of waxed thread. Knew I’d need patterns too. Scrounged up some stiff cardboard from an old Amazon box. Cut that into rough shapes for the main body and the belt loop flap. Trace time.
Cutting & Shaping Nightmares
Laid the cardboard patterns on the leather backside. Scratched the outline real hard with the awl – gotta make a deep groove. Took the utility knife and started slicing. Messed up the curve near the tip first try. Leather’s tough! Second attempt went smoother, slower cuts. Used shears for tighter curves. Punched holes for the snap fastener on the flap piece. Already sweating.

Soaked the main sheath piece in lukewarm water for maybe 10 minutes. Leather went dark. Pat-dried it mostly, still damp. Slid the F1 blade in carefully. Started pressing and molding the leather around the handle and blade like crazy with my thumbs. Had to be super firm around the finger grooves. Left it wrapped around the knife overnight to dry. Woke up and peeled it off. Shape looked decent! Like a glove. Did the same molding soak for the belt loop piece, clamped it around an old belt buckle to dry curved.
Stitching Agony
Dried pieces felt like rocks again. Awl time! Marked stitching holes along the sheath’s edge where the back and front meet. Poked each hole slow, twisting the awl. Tedious. Threaded the needle – doubled the waxed thread, knotted the ends. Started saddle stitching. Pushed needle through hole one, pulled hard. Repeated. Hole two… slower than watching paint dry. Hands cramped up halfway. Forced myself. Loop flap next – same deal, stabbed holes, stabbed thread, pulled like hauling rope. Finally knotted off inside, melted the end lightly with a lighter to fuse it.
Finishing Fumbles
Edges were rough as sandpaper. Took a sanding block, went at them. Better. Ran a wood burnisher edge tool back and forth like a madman. Friction heated it, edges got kinda shiny and smooth. Applied some neatsfoot oil all over with a rag, rubbed it in deep. Waited. Leather darkened, felt more supple. Stuffed the F1 back in. Perfect snug fit. Snapped the flap shut. Felt real solid. Put it on my belt… dang, it sits good. Won’t flop around.
Why Bother Though?
Honestly? Wife yelled at me for scratching the dang dining table last time I oiled the blade with the knife just lying there on wood. New sheath lets me set it down safe. Plus, the factory plastic thing? Looks like cheap junk next to worn leather. Feels like a proper tool now, not some toy.
Total cost? Probably used $15 worth of leather scraps I had. That factory sheath they sell separately? Saw it online for $40. Makes you wonder.