For Black Friday, Owlkrown is offering a free matching wrist strap with the purchase of a camera strap.
Previous coverage of Owlkrown products can be found here:
New: weather-sealed Leica M-mount metal body caps available in 3 colors (*UPDATED*)
Owlkrown released a new HotGrip for Leica M10 and M11 cameras
Owlkrown accessories for Leica cameras (10% off coupon code included)