They can be opened with two coins and clamp over the picture / glass / backing board sandwich. Always smooth the sharp edges of the glass or use styrene or acrylic glazing. Or insert a D-ring with a bifurcated rivet through a hole in the backing board.
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Frameless Fashion Oval Small Frame Glasses Suitable for Daily Wear By Men and Women
Aliexpress UK
Insert the screw. Installation may vary depending on plate mounting area and surface type. Universal Fit: Suitable for allUK standard vehicle number plates (front and rear). Durable Material: Made from tough, weather-resistant plastic for long-lasting use.
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Retro Leopard Head Metal Sunglasses Frameless Sun Glasses Men's And Women's Small Frame Classic Glasses UV400 Eyeglasses
Aliexpress UK
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New Frameless Fashion Glasses for Men and Women, High-Definition Lenses with Textured Inlaid Rhinestones, Trendy Frame Design, Suitable for Daily Casual Wear, Perfect Gift Choice
Aliexpress UK
Supplied with durable plexi-glass (not glass).
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Lzabella 2025 New Retro Round Frameless Glasses Frames Men Women Prescription Eyeglasses Optical Prescription Eyewear 6040
Aliexpress UK
Suitable for photos, artwork, prints.
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Punk Frameless Square Sunglasses Men 2025 Luxury Brand Leopard Head Metal Frame Sun Glasses For Male UV400 Trendy Polygon Shades
Aliexpress UK
Wall mount to easily hang artwork or photographs in either portrait or landscape orientation.
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Men's Business Frameless Photochromic Myopia Glasses Advanced Sensory Border Blue Light Glasses Classic Square Frame Unisex
Aliexpress UK
Supplied with durable plexi-glass (not glass).
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Personalized Oval Frame Sunglasses Retro Women Men Metal High-end Sunglasses Luxuy Frameless Trimming Traveling UV400 Sunglasses
Aliexpress UK
· Standard or custom mounts available in Daler Rowney 1.4mm white core acid free mount board. Made in the UK.
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New Square Cut Lens Men And Women Sunglasses 2025 Frameless Metal Leopard Head Frame Retro High-End Uv400 Travel Sunglasses
Aliexpress UK