The B-Grip is my best friend, the only one I trust to hang to the camera when I am not using it.
Most satisfied with my purchases.
Lens Cap Keeper Elasticated
Plenty in Stock
This cap-keeper cord is designed to suit SLR style camera lenses. It attaches to the lens cap by a simple adhesive pad, while the elasticated loop can be attached to most popular lenses prevent accidental loss of the lens cap.