Why are there holes in the handle

TAC FORCE MILANO STILETTO G10 KNIFE

or pocket pull-through sharpeners

75" Tac Force USA American Flag spring assisted tactical folding pocket knife is a great knife to have

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9" WatchFire Gut Hook Skinning Knife Game Hunting Blade rescue knife Why are there holes inPRODUCT DESCRIPTION This WatchFire gut hook skinning knife is a great hunting knife to have. This camper outdoor fixed blade is great for is great for skinning game and fish. This skinning knife with gut hook features a stainless steel gut hook blade and skid proof handle. Comes with a sheath. Type: WatchFire Gut Hook Skinning Knife, Game Hunting Blade Overall Length: 9" Blade Edge Type: Single edged, Plain, Gut Hook Blade Blade Material: Stainless