FPL Sliding Door Lock Security Foot Bolt in Oil Rubbed Bronze - Quickly and Easily Locks and Unlocks with Your Foot
Sold by: DoorAndWindowHardware
$21.98
I bought the above item on AMAZON. REALLY is the ticket! I used a utility knife to cut the carpet for the bolt then drilled a hole. Really don't notice the hole. Very nice quality.
Push knob with foot to lock, push tab with foot to un lock.