Bestbuy offers Nite Ize - BigFoot Locker KeyRack - Stainless for $5.99 (orig. $10.99) 

Product Description:
Organize your keys with this Nite Ize BigFoot Locker KeyRack key chain. Its locking stainless carabiner clip body securely attaches to your belt or bag, and each toe holds up to three pieces to keep all your house and car keys together. This Nite Ize BigFoot Locker KeyRack key chain's stainless S-Biner micro locks can be detached for individual use.

• Unique design
• Combines a locking carabiner clip body and separate S-Biner MicroLocks for key security and access.Stainless steel carabiner body
• The durable locking carabiner can be clipped to a belt loop or purse strap.S-Biner MicroLocks
• Five stainless steel carabiners with center locking lever, each holds up to three keys or other key accessories.