Search query: sharp butterfly knife with sharpening block

Product: VORNNEX Practice Butterfly Trainer with Sure Spring Latch, Full Stainless Steel Black Dragon Dull Balisong Trainer, Unsharpened Butterfly Trainer Comb for CS GO Training(Silver)
Brand: VORNNEX
Color: Silver
Relevance: Exact
Size:Blade Length:4 Inch,Full Length:9 Inch.Convex nails to ensure smooth opening and closing, to extend the use lifecycle. Pure Copper Gaskets: anti-wear, good ductility, no rust FLIP WITH FUN: The trainer is so easy to use and safe flipping fun. we use enhanced 440 stainless steel and enhanced screws to make sure it can last long time.
UNSHARPENED BLADE: This butterfly trainer is useful for learning how to use the real thing without all the cuts and bruising to the hands. The unsharpened blade of our practice butterfly Trainer will keep you away from danger as a beginner.
WEIGHT BALANCE: We calculate a perfect weight balance of the butterfly Trainer , 6Oz, a perfect center of mass to make sure you can flip it smoothly.
DURABLE: Unlike the normal butterfly trainer, we use enhanced 404 stainless steel and enhanced screws to make sure it can last long till you get the hang of it and are able to move on to the real thing.
Safe: This Practice Butterfly Trainer has no sharp blades and is perfect for learning how to use the real thing with out all the cuts and bruising to the hands.Flip with fun: The trainer is so easy to use and provides hours of safe flipping fun.
Choice: Dull butterfly Trainer is the good choice for Intermediate users. Erganomic, highly polished handle. Suitable for a variety of fancy action.This is a good product if you are a butterfly Trainer lover.

Product: DMD Mini Double Side Whetstone-Diamond Ceramic Pocket Knife Sharpener | Outdoor Knife Sharpener | Portable Diamond Abrasive Tools | Good Partner for Various Outdoor Activities
Brand: DMD
Relevance: Complement
🔪 HIGH-QUALITY ELECTOPLATING DIAMOND: The coarse diamond plate is coated with high quality 400# diamond for quickly touch up the blade.
🔪 SUPER HARD & FLAT CERAMIC PLATE: Our extra fine ceramic plate provides a fine stage for polishing the blades.
🔪 PORTABLE: Size 3*1*1/4". Easy to store in any place within reach. Can be an EDC sharpener carries everyday everywhere.
🔪 EASY TO USE AND MAINTAINCE: Simply use it dry or with water or sharpening oil. Either way is fine for sharpening. Please clean and dry the whetstone after sharpening to prevent getting rust.
🔪 GOOD CHIOCE：We offer 60-DAYS hassle-free 100% REFUND GUARANTEE and Lifetime diamond wear out WARRANTY.