How much does this cost to the nearest dollar?

Leica 14646 Finger Loop for Multi-Functional Handgrip M and Handgrip M, Size S (Black)
The optional accessory finger loop in size S can further enhance the safe and steady handling of the Leica M and lens system. The loop can be used with either the handgrip M (without additional functions) or the multifunctional handgrip M, and can significantly improve camera handling when shooting - particularly with heavier R-Lenses. Compatible with either the Multi-functional Handgrip M or the Handgrip M. Significantly improve camera handling. Dimensions 1.5 x 1.25 x 1 inches, Weight 0.8 ounces, model number 14646, Rank Digital Camera Accessories 13944, Available October 31, 201

Price is $139.00
Price: $139