Categories Drums Instruments Loops Sci-fi Sound Effect Machine pistons moving Post author By redForm Post date August 18, 2020 Sounds like a heavy something beating against something else. It can be used as a drum loop for an interesting track or a sound effect for a heavy industrial tool. I would use it for a secret door knock. Download File type: audio/wav File size: 26 KB Length: 0:020 minutes, 2 seconds Bitrate: 88kb/s CBR ShareClick to share on WhatsApp (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Telegram (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window) Tags beat, concrete, door, Drum, heavy, machine, metal, piston, repeat, reverb, wood ← Sci-fi drone → Sci fi short buzz