Answer to Jews cannot carry keys on their person when they walk to temple on Shabbat. How do they unlock the door when they get home? by Chaim Handler

Answer to Jews cannot carry keys on their person when they walk to temple on Shabbat. How do they unlock the door when they get home? by Chaim Handler
A tie clip with the key now that's snazzy

https://www.quora.com/Jews-cannot-carry-keys-on-their-person-when-they-walk-to-temple-on-Shabbat-How-do-they-unlock-the-door-when-they-get-home/answer/Chaim-Handler?ch=17&oid=383628302&share=6b00ea09&srid=h3gdGt&target_type=answer