If you don't have any gloves when using the throw item function it will add fingerprint metadata, but if you do have gloves it will not add metadata.
Step 1 - make a gloves.lua in ox_inventory/data
paste this
Config = Config or {}
Config.MaleNoGloves = {
[0]=true,[1]=true,[2]=true,[3]=true,[4]=true,[5]=true,[6]=true,[7]=true,[8]=true,[9]=true,[10]=true,
[11]=true,[12]=true,[13]=true,[14]=true,[15]=true,[16]=true,[18]=true,[26]=true,[52]=true,[53]=true,
[54]=true,[55]=true,[56]=true,[57]=true,[58]=true,[59]=true,[60]=true,[61]=true,[62]=true,[112]=true,
[113]=true,[114]=true,[118]=true,[125]=true,[132]=true
}
Config.FemaleNoGloves = {
[0]=true,[1]=true,[2]=true,[3]=true,[4]=true,[5]=true,[6]=true,[7]=true,[8]=true,[9]=true,[10]=true,
[11]=true,[12]=true,[13]=true,[14]=true,[15]=true,[19]=true,[59]=true,[60]=true,[61]=true,[62]=true,
[63]=true,[64]=true,[65]=true,[66]=true,[67]=true,[68]=true,[69]=true,[70]=true,[71]=true,[129]=true,
[130]=true,[131]=true,[135]=true,[142]=true,[149]=true,[153]=true,[157]=true,[161]=true,[165]=true
}