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SFXLibrary is a database of free sound effects to use in your projects. Every sound is available in MP3, WAV and OGG format.
Heavy knocking 3 times on metal
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Heavy knocking 3 times on metal
metal
knocking
knock
three
- / -
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.mp3
.wav
.ogg
metallic
knock
sharp
heart
sliding
shotgun
laser
grenade
attack
unlock
slide
water
moving
heartbeat
glass
shot
melee
loop
break
countryside
thunder
sharpen
sniper
splat
pistol
three
underwater
trigger
explosion
knocking
ceramic
waterfall
wood
concrete
smoke
blood
knife
metal
footstep
fire
sand
footsteps
bullet
weapon
cicadas
rain
sink
bell
running
helicopter
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