This tip comes from @LilPupNibbles on twitter (and @Shadowcub98 who forwarded the tweet to me)
Ikea’s Rothult Smart lock can go into a variety of storage solutions to add a locking element to it. Keep doors shut or drawers closed. requiring the NFC/RFID card to open it.
See it in action on LilPupNibbles tweet about the product, and find out more at Ikea’s site.