Replaces the Machette 
Original Model found here - 
https://www.cgtrader.com/free-3d-models/military/melee/metal-scythe (extended use license) I don't claim the model OR textures in anyway, I only made it work in GTA. 
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Install (Singleplayer)
1.Open OpenIV
2. Direct to file D:\Programs\Steam\steamapps\common\Grand Theft Auto V\update\x64\dlcpacks\mplowrider\dlc.rpf\x64\models\cdimages\weapons.rpf\
3. Drag and drop replace files. 
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Install (FiveM)
1.Open OpenIV
2. Direct to your server resource folder
3. Drag and drop the entire "weaponmods" folder into your server resources. 
4. Ensure weaponmods in the server cfg