Flip Focal Clip-On Magnifier

This clip on fly tying magnifier attaches to the brim of your hat with clip and pin, flips easily out of the way, and gives you 2.5X magnification to thread even the finest tippets with ease. Made in USA.

Clip on Fly Tying Flip Focal w/ Locking Pin and Snap 2.5X Magnification : Sports & Outdoors

Flip Focal Magnifier Knife Sharpeners & Accessories at L.L.Bean

Flip Focal Clip-On Fly-Tying Magnifier

Flip Focal Magnifier Lens – 3.5X : Sports & Outdoors

Flip Focal - Showcase + Review

Flip Focal

Clip-On : Magnifying Aids, Magnifiers, Magnifying Glasses, and Independent Living Aids to help people with Macular Degeneration

Foldable Glasses Magnifier Eyewear Magnifying Glass 1.5X 2.5X 3.5X Reading Magnifier Eyeglasses Clip Optical Loupe Repair Lupa - AliExpress

The OD-10 Clip and Flip +2.25 Diopters (1.5x Power) Clip-On, Flip-Up Magnifying Lenses are wearable, hands-free magnifiers that are easy to use and suitable for any outdoorsman. With their sturdy, durable clip, the Clip and Flip can transform any pair of glasses into +2.25 diopters equivalent to 1.5x magnifying power. The clip’s flexibility also allows for the user to easily switch from the magnifier to regular glasses with one quick flip.

Carson Clip & Flip

Flip Focal Clip-On Magnifier

Magna-flip Clip on Flip up Magnifiers, Converts Distance Glasses and Into Reading and Computer Glasses. +3.00 Diopter : Health & Household