Slightly off topic, but I think bike thieves are becoming more and more professional recently. Here in Berlin many now use small cordless screwdrivers with a custom gearing mechanism that operates a bolt-cutter. With that they can even cut through thick steel-bar type bike locks in a few seconds, without making any noise. I saw that in a police report lately but I can't find a link with a photo of the device now, unf…
I like this blog on that topic:
https://calpaterson.com/bicycle-threat-model.html
> One father I know had his primary-school-age daughter "decorate" his commuting bicycle with girly stickers and pink glitter. If anyone examines his bicycle closely he looks like a complete loon but I think his motivation is right: it's going to be much less appealing to steal when it's covered in Miffy stickers.