To avoid losing her keys at the bottom of her large purse, deputy editor Jenny Comita tethers them to a ribbon anchored to the bag's strap. We tried it with a strip of leather: Loop one end through the key-chain ring. Secure the loop with a few dabs of tacky permanent glue, then attach the cord to the bag's upper interior with a safety pin.
Leather tote, in Natural, $240, baggu.com
Leather trim (#81498-ROYAL), 1", $15 per yd., mjtrim.com
Heavy-duty trigger snap-clip key ring (#KR-17712-1), $6, keyring.com
Permanent adhesive, by Fabri-Tac, from $10, joann.com