{"product":{"catalog_id":"ecf7dd23-00fa-4f05-acfd-de109a5d70e6","is_eligible_search":true,"is_eligible_checkout":false,"item_id":"2676bc53-0cf4-4e5b-9536-4a88f20354b7","title":"Collar Extender Stud","description":"This collar extender stud is a stainless steel accessory designed to loosen tight shirt collars by providing extra room. It features a small circular stud with a black dot at the centre, attached to a stretchable coiled spring loop. The versatile design also allows it to be worn as a wrist accessory.","url":"https://www.simons.ca/en/men-accessories/clips-cufflinks-brooches/cufflinks/collar-extender-stud--8437-92?colourId=0","brand":"Le 31","condition":"new","product_category":"men accessories > clips cufflinks brooches > cufflinks","material":"Stainless Steel","age_group":"adult","image_url":"https://imagescdn.simons.ca/images/8437/92/99/A1_2.jpg","additional_image_urls":[],"images":[{"id":"img-1784702907244-0","url":"https://imagescdn.simons.ca/images/8437/92/99/A1_2.jpg","alt_text":"Collar extender stud product image (primary)","position":1,"attributes":{"other":{"summary":"Studio-style product shot on a plain white background with soft shadow beneath the product; light comes from above-left creating subtle highlights and reflections on the metal.","observations":[{"key":"Background","kind":"feature","value":"Uniform white background with no visible packaging or props.","regions":[],"evidence_status":"direct"},{"key":"Lighting and shadow","kind":"feature","value":"Soft directional lighting from the top-left producing gentle shadow below and to the right of the product and specular highlights on the head.","regions":[],"evidence_status":"direct"},{"key":"Shot composition","kind":"feature","value":"Product centered and photographed at a slight angle so the head faces forward and the coiled loop extends toward the upper-right of the frame.","regions":[],"evidence_status":"direct"},{"key":"Image quality","kind":"feature","value":"Sharp focus on product with minimal noise and a shallow shadow; no legible text or labels visible in the image.","regions":[],"evidence_status":"direct"}]},"colors":[{"name":"polished silver","part":"head","regions":[{"x":0.12,"y":0.45,"width":0.42,"height":0.38,"confidence":"high"}],"subject":"product","description":"Highly reflective polished silver metal with bright highlights and slightly darker reflective areas from environment.","sampled_hex":"#CBCBCC","estimated_hex":"#C8CBCD"},{"name":"deep black","part":"central aperture","regions":[{"x":0.28,"y":0.59,"width":0.12,"height":0.12,"confidence":"high"}],"subject":"product","description":"Matte dark circular interior contrasting with the reflective head.","sampled_hex":"#3D3C3D","estimated_hex":"#1A1A1A"},{"name":"brushed silver","part":"coiled loop","regions":[{"x":0.46,"y":0.38,"width":0.42,"height":0.36,"confidence":"high"}],"subject":"product","description":"Metallic spring-colored coils with a slightly darker, less reflective finish than the head.","sampled_hex":"#ADAAA4","estimated_hex":"#A8A8A8"}],"product":{"summary":"A small metal collar extender stud composed of a domed circular head with a central dark circular aperture and an attached coiled spring loop used as the extender ring.","observations":[{"key":"Head shape","kind":"feature","value":"Domed circular metal head with a concave depression leading to a central round aperture.","regions":[{"x":0.12,"y":0.45,"width":0.42,"height":0.38,"confidence":"high"}],"evidence_status":"direct"},{"key":"Central aperture","kind":"feature","value":"Small round central hole in the head with a dark interior contrasting with the reflective head surface.","regions":[{"x":0.28,"y":0.59,"width":0.12,"height":0.12,"confidence":"high"}],"evidence_status":"direct"},{"key":"Surface finish","kind":"feature","value":"Highly reflective polished metal finish on the head showing soft highlights and minor surface texture.","regions":[{"x":0.12,"y":0.45,"width":0.42,"height":0.38,"confidence":"high"}],"evidence_status":"direct"},{"key":"Coiled loop","kind":"feature","value":"Flexible loop formed from tightly coiled metal wire attached to the head, forming an open ring shape.","regions":[{"x":0.46,"y":0.38,"width":0.42,"height":0.36,"confidence":"high"}],"evidence_status":"direct"},{"key":"Attachment point","kind":"feature","value":"The coiled loop connects to the head at a small offset on the head's rim; connection area visible where coils meet the head.","regions":[{"x":0.44,"y":0.56,"width":0.18,"height":0.18,"confidence":"medium"}],"evidence_status":"direct"}]},"packaging":{"observations":[]},"schema_version":2,"coordinate_space":{"units":"normalized","origin":"top_left"}},"variant_ids":["586142"]}],"price":"9 CAD","sale_price":"9 CAD","availability":"in_stock","listing_has_variations":"false","variants":[{"sku":"586142","url":"https://www.simons.ca/en/men-accessories/clips-cufflinks-brooches/cufflinks/collar-extender-stud--8437-92?colourId=99","image":{"id":"img-variant-586142","url":"https://imagescdn.simons.ca/images/8437/92/99/A1_2.jpg","alt_text":"Collar extender stud - Assorted - ONE SIZE variant image","position":1,"variant_ids":["586142"]},"price":{"value":9,"currency":"CAD"},"title":"Collar Extender Stud - Assorted - One Size","option1":"Assorted","option2":"ONE SIZE","image_url":"https://imagescdn.simons.ca/images/8437/92/99/A1_2.jpg","variant_id":"586142","availability":"in_stock"}],"item_group_title":"Collar Extender Stud","size_system":"US","gender":"male","is_digital":"false","review_count":2,"q_and_a":[{"a":"It loops around your existing shirt button using the stainless steel stretch spring loop, with the stud sitting on the outside to act as a new button. No clipping or sliding onto collar points.","q":"How does the collar extender stud attach to a shirt collar? Does it slide onto the button or clip onto the collar points?"},{"a":"The black dot decoration is likely painted or enameled. We don't have specific durability info, but such decorations can chip with friction or washing. For best longevity, gentle handling is recommended.","q":"Is the black dot decoration painted or embedded? Will it chip or fade with regular use or washing?"},{"a":"The stretch spring loop is not designed to be replaced; the entire stud is a single unit. Given its affordable price, it's best considered disposable if the spring loses elasticity. Note that violent stretching may damage the spring.","q":"Can the stretch spring loop be replaced if it loses elasticity, or is the entire stud disposable?"},{"a":"Yes, it works with button-down collar shirts. The extender attaches to the neck button (the top button), which is present on both standard point collars and button-down collars. It does not interfere with the collar point buttons.","q":"Will this work with button-down collar shirts, or only with standard point collars?"}],"reviews":[{"date":"December 23, 2022","title":"Utilisation une fois seulement","rating":1,"content":"Le bouton a été fonctionnel une fois seulement car le ressort est trop fragile et a étiré. 9$ au poubelle","reviewer_name":"yoan g."},{"date":"March 6, 2020","title":"Work perfect","rating":5,"content":"Work perfect","reviewer_name":"Anonymous"}],"target_countries":"US","canonical_url":"https://www.simons.ca/en/men-accessories/clips-cufflinks-brooches/cufflinks/collar-extender-stud--8437-92?colourId=0","deep_research":{"dimensions":{"vs_other_extenders":{"title":"How it compares to elastic-band extenders","entries":{"active_grip_security_vs_passive_loop":"A passive elastic loop relies solely on its unstretched diameter to stay on the button, which can slip off under tension; the spring coil actively compresses onto the button after stretching, reducing the risk of detachment when the collar is pulled or the wearer moves abruptly."}},"stainless_spring_life":{"title":"Stainless steel spring longevity","entries":{"tactile_upgrade":"The stainless steel construction gives the extender a perceptible weight and crisp spring-back that elastic extenders lack, immediately signaling mechanical durability in a category where fabric loops often feel flimsy before they even fail.","corrosion_proofing":"The exposed stainless steel loop resists rust and pitting from sweat, rain, or laundry water; many competitor extender loops trap moisture inside a fabric jacket where steel springs corrode and fail, but here the metal is directly washable and inherently resistant, preserving both function and appearance through regular cleaning.","fatigue_resistance":"Stainless steel spring wire has a fatigue limit that lets it endure thousands of stretch-and-release cycles without accumulating plastic deformation, meaning the loop can be stretched daily for years as a collar loosener or wrist accessory without slackening — far longer than an elastic cord which starts to stretch out after a few hundred uses.","material_longevity":"Elastic-based collar extenders rely on polymer threads that degrade permanently after repeated washes and dry cycles, losing their retraction force over weeks; the Le 31's stainless steel spring loop instead maintains consistent tension through mechanical coil action, so it either works like new or breaks outright — there is no intermediate 'saggy' phase."}},"under_collar_visibility":{"title":"Visibility with ties and different collars","entries":{"under_tie_concealment":"The stud occupies the exact spot of the collar button, which means any standard tie knot — four-in-hand, half-Windsor — fully hides it, and even when the knot loosens slightly the small dark dot is unlikely to register as more than a shadow against the shirt."}}}},"handle":"collar-extender-stud-8437-92","storefront_path":"/en/men-accessories/clips-cufflinks-brooches/cufflinks/collar-extender-stud--8437-92","storefront_url":"https://ai.simons.ca/en/men-accessories/clips-cufflinks-brooches/cufflinks/collar-extender-stud--8437-92"}}