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