the nuance is how big or small the "pocket" is. If your dry cleaner opens up your suit examining every nook and cranny, even areas between the fabric which you

the nuance is how big or small the "pocket" is. If your dry cleaner opens up your suit examining every nook and cranny, even areas between the fabric which you have no access to, then collects the dust particles and scans them in a chromatography machine and calls the cops when they find one particle of cocaine, they knew without a doubt came from your suit, and forward the chromatograph results to the FBI who prosecutes you for drug possession. Thats a closer offline scenario to whats going on here.