Place it immediately after the failed attempt appears, then follow it with awkward crickets while the camera holds on the mess, and use a whip crack just before it to punctuate the moment the plan breaks.
About this sound
This eight-second Russian voice clip centres on the phrase ne svistit i ne vlezaet, meaning it does not whistle and does not fit, delivered as a blunt observation about something failing to work as expected. It lands with dry, exasperated humour, the kind of resigned complaint that makes a small failure feel funnier than it should.