OTTO Engineering Adjustable Rotating Ear Hanger Black. Developed working with some of the most sturdy and long lasting substances around these Travel Accessories by OTTO Engineering offers you something that will give a great deal of consistency. OTTO Engineering has been generating superior quality products for a number of years and the OTTO Engineering Adjustable Rotating Ear Hanger is their very own way of showing you how much they care. At OpticsPlanet we make it our obligation to purchase the best product for all your requirements and exhibiting the OTTO Engineering Adjustable Rotating Ear Hanger is a thing that we are pleased to offer. Specifications for OTTO Engineering Adjustable Rotating Ear Hanger: Manufacturer: OTTO Engineering Color: Black Package Contents: OTTO Engineering Adjustable Rotating Ear Hanger OTTO Engineering E1-QC2NC134: Adjustable Rotating Ear Hanger Black