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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
knock
unlock
underwater
waterfall
bell
rain
thunder
sharp
blood
sliding
shotgun
helicopter
cicadas
break
footstep
melee
sharpen
glass
concrete
grenade
laser
water
splat
heartbeat
trigger
heart
wood
knife
bullet
ceramic
slide
metallic
pistol
knocking
footsteps
fire
loop
sand
moving
metal
explosion
smoke
attack
countryside
sink
running
sniper
weapon
shot
three
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